Book Series

The Fire's Edge series by Abigail Owen features dragon shifter romance with six books published between 2018 and 2021.

The Fireball Trilogy by John Christopher is a young adult science fiction series about two English boys who are transported to an alternate version of history where the Roman Empire never fell.

Firebird series by Claudia Gray in reading order, from A Thousand Pieces of You to A Million Worlds with You. A YA sci-fi trilogy about traveling between parallel dimensions.

The Fireblood Dragon series by Ruby Dixon is a paranormal romance set in a post-apocalyptic world where dragons have returned to Earth, spanning ten books from 2017 to 2021.

The Firebrand is a LitRPG series by James A. Hunter set in the Viridian Gate Online universe, following a fire-magic-focused character.

The complete reading order for the Firebringer trilogy by Meredith Ann Pierce, a young adult fantasy series about unicorns in an original mythological world.

Complete reading order for the Firefall series by Peter Watts. Includes Blindsight and Echopraxia in publication order.

Firefighters of Montana is a romance series by Dani Collins featuring five books about Montana firefighters finding love between the blazes.

The Firefly Junction series by London Lovett is a 24-book cozy mystery series set in a small town with paranormal elements, published from 2018 to 2026.

The complete reading order for Lori Foster's Firefly Summer series, a new contemporary romance duology beginning in 2025.

The Firehouse series by Anna Joung follows a rebellious hero through five romance novellas published in 2021.

Firehouse 5 books in order by Em Petrova. Complete reading order for this firefighter romance series.

Firehouse 99 by Bre Rose is an eight-book firefighter romance series published in 2026.

The Firehouse Feline by Laura Greenwood is a four-book paranormal romance series about a cat shifter firefighter, published between 2019 and 2020.

The Firehouse Three series by Sidney Bristol is a four-book firefighter romance series published in 2016.

Firehouse Twelve is a contemporary romance series by Elsie James featuring three romances centered on firefighters and their love interests.

The Fires series by Diana Morgan in reading order, a two-book romance duology published in 1984.

The Fires of Gleannmara is a Celtic Christian historical romance series set in ancient Ireland, following three women named Maire, Riona, and Deirdre through faith, conflict, and love.

Complete list of all 3 Firestick books in order by J.A. Johnstone. Three former mountain men serve as lawmen in a small West Texas town.

The Firestone Academy is a five-book paranormal academy romance series by Hannah Haze, blending omegaverse dynamics with magic and sorcery.

The Firewall Spies series by Andrew Watts is a five-book espionage thriller sequence dealing with cyber warfare, intelligence operations, and covert action.

The Firewall Trilogy is a dystopian science fiction series by James Maxwell about a young woman who discovers the truth about the wall separating her city from the wilderness beyond.

Firewing Investigations by S. Usher Evans is a cozy fantasy mystery series following dragon shifter PJ Norris as he searches a post-war world for others like himself while solving mysteries along the way.

The First Contact series by Peter Cawdron is a collection of 35 standalone science fiction novels, each exploring a different scenario of humanity meeting alien life.

First Contact, Inc. by Felix R. Savage is a two-book science fiction series published in 2015, featuring Against the Rules and Payback.

The First Course series by Nancy Ann Healy (writing as J.A. Armstrong) is a five-book lesbian romance set in the culinary world.

The First Daughter series by Mitali Perkins follows a South Asian American teen navigating life as the president's daughter across three YA novels.

The First Dragonrider series by Kevin McLaughlin tells the origin story of the bond between humans and dragons.

The First Empire series by Michael J. Sullivan in reading order. Eight epic fantasy books including the Age of Myth saga.

Complete reading order for the First Fangs Club series by Kristen Painter, a paranormal comedy series about a newly turned vampire adjusting to undead life.

First Kids is a middle-grade mystery series by Martha Freeman set in the White House, following the president's children and their dog as they solve mysteries.

Both books in Jennifer Griffith's First Kiss medical romance series in order, starting with Second First Kiss (2021).

First Kisses is a two-book young adult romance series by Rachel Hawthorne about the excitement and uncertainty of first romantic experiences.

Complete list of all 30 First Mountain Man books in order by J.A. Johnstone. The complete Preacher series, one of the longest-running Western series in print.

The First North Americans series by W. Michael Gear and Kathleen O'Neal Gear reimagines the lives of prehistoric peoples across North America through twenty-nine archaeological adventure novels.

First Peacemaker series by J.N. Chaney in order. Seven sci-fi novels exploring the origins of the Peacemaker order from the Backyard Starship universe.

The First Quarto series by Gregory Ashe is a six-book LGBTQ+ mystery and romance series with literary-themed titles and investigations.

The First Responders series by Loree Lough follows firefighters, paramedics, and other emergency workers finding love across seven inspirational romance novels.

The First Responders of Faith Valley series by Jenna Brandt features 15 romantic suspense novels following emergency workers in a small town, published from 2022 to 2025.

The First Salik War trilogy by Jean Johnson is a military science fiction series set in the same universe as Theirs Not to Reason Why.

The First Shift is a standalone paranormal romance by Letty Frame titled Baby's First Howl, published in 2024.

The First Sister Trilogy by Linden A. Lewis is a space opera set during an interplanetary war, featuring themes of gender, religion, and rebellion. The three books were published between 2020 and 2022.

The First Sleeper series by Paul Heatley is an action thriller trilogy about a sleeper agent activated for increasingly dangerous missions.

The First Steps series by Nathan Gregg features two fantasy novels, The Last Abyssal Heir (2023) and Foundations (2025).

The First Street Church Romances series by Nan O’Berry is a 25-book series running from 2016 to 2019, starting with Love's Prayer.

The complete reading order for the First Street Church Romances series by Elissa Strati, 25 clean romance novels centered around a small-town church community.

The First Street Church Romances series by Jenna Brandt features 25 clean romance novels centered on a church community, published from 2016 to 2019, with each book following the 'Love's [Word]' naming pattern.

First Street Church Romances is a 25-book multi-author Christian romance series that Alexa Verde contributes to, set around a fictional church community where love develops alongside faith and belonging.

First Tango In Paris by Emma Styles is a two-book romance series set in Paris, published in 2013 and 2016.

Complete reading order for the First Time series by Carrie Ann Ryan, a contemporary romance trilogy about second chances and unexpected love.

The complete reading order for Nicole Blanchard's First to Fight series, a nine-book military romance published between 2015 and 2023 starting with Anchor.

The First To Score series by Lauren Blakely is an eight-book series running from 2018 to 2021, starting with The Rules of Friends with Benefits.

The First Wives Club by Keisha Ervin features Melanin Magic (2018), an urban fiction novel about women reclaiming their power.

The Firstborn series by Karen Kingsbury is a five-book Christian fiction series continuing the Baxter Family story through themes of fame, forgiveness, and family bonds.

Fish Camp Cozy Mysteries is a cozy mystery series by Summer Prescott set at a fishing camp.

The Fistful Of Mechs series by Jake Bible is a two-book series running from 2023 to 2023, starting with A Fistful of Mechs.

The Fit For A King series by Diana Palmer is a short romance series from the late 1980s about strong men finding unexpected love.

The Fit Trilogy is a four-book contemporary romance series by Rebekah Weatherspoon built around a personal training and fitness studio, where the relationships between trainers and clients — and colleagues — develop into something more.

The Fitheach Trilogy by Luanne Bennett is a paranormal fantasy series about a woman who discovers a powerful amulet and the supernatural world hidden around her.

The Fitz and the Fool Trilogy by Robin Hobb is the final chapter in the saga of FitzChivalry Farseer, concluding a story that spans six trilogies and over twenty years.

The Fitz Clare Chronicles/Midnight series by Emma Holly is an eight-book series running from 1998 to 2010, starting with Catching Midnight.

The Fitzgerald Bay series features six romantic suspense novels published in 2012, following a family of law enforcement officers in a coastal community.

The Fitzgeralds of Dublin is a historical romance series by Lorna Peel set in late 19th and early 20th century Dublin, following the lives and loves of the Fitzgerald family.

The Fitzhugh Trilogy is a historical romance series by Sherry Thomas set in Victorian England, following the romantic entanglements of the Fitzhugh family.

The Fitzpatrick Christmas series by Catherine Walsh is a holiday romance collection following the Fitzpatrick family as they find love during the Christmas season.

The FitzRam Family series by Anna Markland follows three medieval romances about the FitzRam family, a branch of the Montbryce dynasty.

The Fitzroy Maclean Angel series by Mike Ripley in reading order. Sixteen comic crime novels about a London cab driver turned detective.

The FitzWarin series by Elizabeth Chadwick is a trio of medieval historical novels following the turbulent lives of the FitzWarin family in Norman and Plantagenet England.

Complete reading order for the Five Elements series by Dan Jolley, a middle-grade urban fantasy trilogy published by HarperCollins.

Five Forgotten Souls by C.M. Stunich features Beautiful Survivors (2017), a new adult romance novel.

The Five Kingdoms series by Toby Neighbors is a sixteen-book epic fantasy saga featuring wizards, chaos, and a sprawling war for survival.

The Five Minute Tales series by Rebecca Lim includes two picture books for young children, Messiest Monster Ever and Bravest Princess Ever.

The Five Nights at Freddy's novel series includes the original trilogy and movie novelizations based on the horror video game franchise, published between 2016 and 2026.

The Five Nights at Freddy's Graphic Novel series adapts FNAF stories into comic book format, with eleven volumes published between 2016 and 2026.

The Five Nights at Freddy's Guidebooks include reference books, survival guides, and activity books for the FNAF franchise, published between 2016 and 2024.

The Five Nights at Freddy's Interactive Novel series offers choose-your-own-adventure style FNAF stories, published between 2016 and 2025.

Five Nights at Freddy's Non-Fiction includes ultimate guides and reference books for the FNAF franchise, published between 2016 and 2025.

Five Nights at Freddy's: Tales from the Pizzaplex is a nine-volume horror anthology series set in the Mega Pizzaplex, published between 2022 and 2023.

Five Nights at Freddy's: Fazbear Frights is a seventeen-volume horror short story series set in the FNAF universe, published between 2015 and 2022.

Reading order for Cate C. Wells' Five Packs series, paranormal romance novels about werewolf packs and rejected mates finding second chances.

The Five Penalties is a dark fantasy trilogy by Marina J. Lostetter, set in a world where magic use carries a cost, following characters bound to a system of penalties across three books published between 2021 and 2025.

The Five Points, Hell's Kitchen series by Cassandra Robbins brings dark romance to the gritty streets of New York City.

The Five Senses series features standalone fantasy novels connected by a theme of magical abilities tied to the five human senses.

The Five Stories High anthology series in order, a shared-world collection of supernatural novellas set in a single haunted building, featuring Tade Thompson and four other authors.

Five Stories High is a shared anthology where five horror authors each write a story set on a different floor of the same haunted building.

Five Stories High is a shared-world horror anthology featuring five interconnected stories set in a single haunted apartment building, with contributions from K.J. Parker and other authors.

The Five Towns series by Arnold Bennett includes twelve novels and story collections set in the Staffordshire Potteries, published between 1898 and 1915.

Five Young Men of the Fenlands by Andrew Wareham is a two-book historical series following young men from the English Fenlands into maritime adventures, published 2022-2023.

The Fix is a five-book urban fiction series by K'wan Foye, published between 2014 and 2020, following characters caught in the drug trade.

The Fixing the World series by Boyd Craven Jr. is a three-book series running from 2019 to 2020, starting with Hunter Homestead.

The Flame Moon series by K.J. Jackson is a three-book paranormal romance trilogy that was the author's debut series.

The Flame Seas series by Jean Johnson is a fantasy trilogy about divine power and the people caught up in the rise of gods in an ancient world.

Flames of Time is a paranormal romance trilogy by Erica Lucke Dean about soulmates separated across lifetimes who must find each other again.

The Flash Bang series by Meghan March includes two military romance novels, Flash Bang (2014) and Hard Charger (2015).

Flash Burn is a four-book dark romance series by Alexandra Iff, published in 2014, featuring an intense relationship told across four installments.

Flash Flood by Laura Greenwood is a six-book collection of flash fiction anthologies spanning multiple genres, published between 2016 and 2017.

Flash in a Flash is a series of four flash fiction collections by Walter Jon Williams, published between 2015 and 2020, featuring very short stories often under 1,000 words.

The Flash in a Flash anthology series featuring micro-fiction and flash fiction, including contributions connected to Joe R. Lansdale.

The Flash Me Photos Portfolio series by Michele Notaro features a single LGBTQ+ romance set in the world of photography.

The Flash Rip series by Keira Andrews is a M/M contemporary romance set among Australian lifeguards on sun-drenched beaches.

The Flashbacks series by Herbie Brennan is a 30-book historical fiction series for young readers, covering periods from ancient Egypt to World War II.

Flashbacks is a thirty-book historical fiction series by J.H. Brennan for young readers, published between 1998 and 2020, with each book set in a different historical period.

Flat Stanley's Worldwide Adventures is a children's book series continuing Jeff Brown's beloved Flat Stanley character in globe-trotting adventures.

All Flavia Albia books in order by Lindsey Davis. The complete reading order for the historical mystery series following Falco's daughter in ancient Rome.

The Flawed series by Cecelia Ahern is a young adult dystopian duology about a society that brands citizens for moral imperfections.

Flawed Fates is a two-book paranormal romance series by Sedona Ashe mixing vampires, lies, and supernatural politics.

The Flawed Love series by Emma Louise is a four-book contemporary romance series with interconnected couples, published between 2018 and 2020.

The Flaxborough Chronicles is a thirteen-book satirical mystery series by Colin Watson following Inspector Purbright through the eccentric town of Flaxborough between 1958 and 1982.

Fledgling is a young adult series by S.K. Ali, beginning with The Keeper's Records of Revolution in 2024.

The Fleet Ops series by Scott Bartlett is a three-book military science fiction series about tactical space combat, published from 2019 to 2021.

Fleet Ops is a three-book military science fiction series by Joshua James following an elite starship crew through escalating interstellar conflicts.

The Flesh and Blood series by Dreda Say Mitchell is a four-book crime saga about family secrets, loyalty, and violence in London's East End.

The Flesh and Fell series by Gregory Ashe is an early fantasy trilogy blending dark mythology with coming-of-age themes.

The Flesh and Fire series by Jennifer L. Armentrout is a fantasy romance series set in the same world as Blood and Ash, following a different couple in an earlier time period.

The Flesh Factory series by Sam West is an extreme horror saga that expands from a single terrifying location into an increasingly disturbing world across four graphic novels.

The Fletcher series by John Drake in reading order, a naval adventure series set during the Age of Sail.

The Fletcher Companion series by John Drake in reading order, including companion guides and related Fletcher novels.

All 5 Flight 12 Begins books by Vincent Zandri in reading order, a multi-author thriller series about a doomed flight.

The Flight 29 Down book series by Brad Strickland in reading order, eight survival adventure novels for young readers.

Flight of the Hawk by W. Michael Gear is a two-book historical fiction series set during the early American frontier era.

The Flight of the Javelin series by Rachel Aukes is a space opera adventure following a crew aboard a starship called the Javelin.

The Flinch comic series and related single issues featuring Joe R. Lansdale's work, including Hap and Leonard comic adaptations.

The Flint and Tinder series by Gregory Ashe is a five-book LGBTQ+ romance and mystery series following two men whose chemistry keeps igniting despite their complications.

The Flint K-9 Search and Rescue Mysteries is a three-book mystery series by Jen Blood featuring a dog handler and her K-9 partner, published between 2016 and 2019.

Complete list of all 6 Flintlock books in order by J.A. Johnstone. Bounty hunter Sam Flintlock roams the frontier searching for his outlaw mother.

The Flip-Flop series by Colin Conway features four crime novels published between 2021 and 2025, with each title beginning with Strait.

The The Flipside series by Jake Bible is a two-book series running from 2018 to 2018, starting with The Flipside.

Flirt's Battalion is a military romance series by Ginny Sterling. The nine books were published between 2023 and 2024.

The Flirting with Forever series by Alexis Winter features contemporary romances about taking chances on love and discovering it was worth the risk.

Reading order for Eva Chase's Flirting with Monsters series, four paranormal romance books featuring a heroine who works alongside monster-like love interests, published in 2020.

Flirting with the Finest is a three-book contemporary romance series by Kaye Kennedy featuring NYPD officers, published from 2021 to 2022.

The Flirty Fitness series features 11 romance novels set around gyms and fitness, all published in 2022.

Flo Fitzpatrick Anthologies includes We'd Rather Be Writing, a 2015 anthology featuring essays by working authors about the writing life.

Flo Fitzpatrick Collections includes Four for Texas, a quartet of short stories set in Texas spanning mystery, romance, fairy tale, and memoir, published in 2015.

Flo Fitzpatrick's standalone novels span paranormal romance, romantic suspense, and time travel fiction, with thirteen books published between 2004 and 2023.

Flood is a series by Stephen Baxter following a small group of survivors as sea levels rise across decades until the entire surface of the Earth is submerged. The books take the premise seriously, following the science of what a flooded world would actually look like.

Floppy Shoes Apocalypse 2 is a clown-themed horror anthology featuring a story by Ramsey Campbell.

Flora Ferrari Short Story Collections includes She is Mine (2022) and She Is Mine 2 (2022), two collections of short romance stories.

Flora Ferrari's standalone novels include thirteen individual romance titles published from 2021 to 2025, spanning mafia, holiday, and contemporary romance.

Flora Harding's standalone novels span 2021 to 2022, featuring two independent stories.

The Florence Fairweather series by Russell Cooper is a historical mystery sequence set during World War II featuring a female spy on the English home front.

No Place For A Lady by Gill Paul, a historical novel connected to the life of Florence Nightingale and the Crimean War.

The Florence Norris series by Dorothy Cannell is a three-book series running from 2014 to 2022, starting with Murder at Mullings.

Florida Chronicles is Christine Kling's newest series, beginning with Whiskey Creek, set along the waterways and backroads of Florida.

The Florida Doctors series by Erin McCarthy is a 2-book contemporary romance series featuring doctors in Florida, published in 2004.

The Florida Keys Adventure series by Matthew Rief is a 26-book series running from 2017 to 2025, starting with Gold in the Keys.

The Flower of the Month is a ten-book romance series by ChaShiree M. pairing each book with a different flower and a different hero type.

Kate Collins' long-running cozy mystery series follows florist Abby Knight in small-town Indiana through 30 books from 2004 to 2025, with plant-themed titles throughout.

The Flowers on the Wall Duet by Beth Andrews, featuring the novel Counting Flowers.

The Flu series by Wayne Simmons features two zombie apocalypse novels set in Belfast, published in 2010 and 2012.

The Fluke My Life series by Aurora Rose Reynolds is a four-book romantic comedy series published from 2017 to 2019, following women who stumble into love by accident.

Flux Powered is a standalone YA novel by Quinn Loftis featuring a girl with a mechanical heart in a steampunk-inspired paranormal world, published in 2017.

The Fly Boys series by Stanley Morgan in reading order, a three-book aviation adventure comedy series.

The Fly By Night series by Frances Hardinge follows Mosca Mye, a girl and her homicidal goose, through a world of political intrigue and banned books.

The Fly Guy series by Tedd Arnold follows a boy named Buzz and his pet fly through 22 humorous early reader adventures published between 2005 and 2020.

Fly Guy and Fly Girl is a spin-off series by Tedd Arnold featuring Buzz's pet fly and his companion Fly Girl in new adventures for early readers.

Fly Guy Presents is a nonfiction early reader series by Tedd Arnold where Buzz and Fly Guy explore real-world topics like sharks, dinosaurs, and space.

Flyboys is a military romance series by Ginny Sterling about pilots finding love. The 30-book series was published between 2022 and 2026.

Flyboys: Second Generation is a military romance spin-off by Ginny Sterling following children of the original Flyboys characters. The 14-book series was published between 2022 and 2025.

The Flying Buffalo Tunnels and Trolls Solitaire Adventures series by Michael A. Stackpole is a three-book series running from 1978 to 1987, starting with City of Terrors.

The Flying Girl series by L. Frank Baum is a pair of early aviation adventure novels from 1911, following a young woman who becomes involved in the early days of airplane flight.

Flying U series reading order by B.M. Bower, a classic Western series set on a fictional Montana ranch featuring the Happy Family of cowboys.

The Flynn & Levy series by David DeLee in reading order, a detective fiction series.

The Flynn and Laurel series by Cara McKenna is a two-book dark romance duology featuring the same couple across Willing Victim (2010) and Brutal Game (2016).

Flynn Berry's standalone novels are four literary thrillers published between 2016 and 2024, including the Edgar Award-winning Under the Harrow and the Northern Spy duology.

The Flynn Family is a seven-book contemporary romance series by Kayt Miller following the large, warm Irish-American Flynn family through individual love stories set in a close-knit community of siblings and friends.

Flyy Girls is a middle grade series by Ashley Woodfolk about four Black girls at an Augusta, Georgia middle school navigating friendship, identity, and growing up.

The Fogas Chronicles is a series of comic novels by Julia Stagg set in a tiny French Pyrenean commune. The eight books were published between 2011 and 2015.

The complete reading order for the Fogg Lake trilogy by Jayne Ann Krentz, a paranormal romantic suspense series about a community of people with enhanced psychic abilities.

The Fogg Lake trilogy by Jayne Ann Krentz is a paranormal romantic suspense series featuring psychic investigators, starting with The Vanishing (2020) and ending with Lightning in a Mirror (2022).

The Foleys and the McCords is a six-book 2009 continuity series featuring two Texas families whose long-standing rivalry is complicated by romance and unexpected alliances.

Folk Lore is a two-book M/M paranormal romance duet by K.A. Merikan rooted in Polish and Slavic mythology.

The Folklore series by Shaw Hart is a six-book series running from 2019 to 2021, starting with Kidnapping His Forever.

The complete reading order for Robin McKinley's Folktales series, featuring her fairy tale retellings Beauty, Rose Daughter, and Spindle's End.

Both books in Jackie Lau's Fong Brothers series in order, a contemporary romance duology featuring two brothers from a Chinese Canadian family finding unexpected love.

The Food Festival Mystery series by Penny Warner combines culinary settings with cozy mystery, following an amateur sleuth through three food-themed murder investigations.

The The Food Group series by Jory John is a seventeen-book series running from 2017 to 2025, starting with The Bad Seed.

Food Lovers' Village Mystery is an eight-book culinary cozy mystery series by Leslie Ann Budewitz set in a Montana food community, published between 2013 and 2023.

The Food of a Younger Land is Mark Kurlansky's 2009 project collecting Depression-era American food writing from the WPA Federal Writers' Project, published as a complete volume and regional excerpts.

Foodie Holiday is a standalone holiday novella by Adriana Herrera featuring a Scottish-Caribbean romance built around food, Christmas, and cultural connection.

The Fool Me series by Lizzie Morton follows three romances where deception leads to unexpected love.

The Fool's Gold trilogy by Jane Johnson is an epic fantasy series featuring sorcery, wild magic, and a world on the brink of transformation.

Football and Feels is a contemporary sports romance series by Lauren Rowe combining professional football with love stories.

The Football Legends series by Matt Whyman features biographies of top football players written for young readers.

The Footprint Handbooks are travel guidebooks covering destinations across Spain, Southeast Asia, Central and South America, India, and Iceland.

The For Her Eyes Only series features romance novels with themes of danger, desire, and hidden identities, with contributions from Vicki Lewis Thompson and other Harlequin authors.

For Her Eyes Only is a 14-book romance and romantic suspense series from JoAnn Ross, published between 1987 and 1998 across her early and mid-career.

The complete reading order for the For Her Eyes Only series, a 14-book romance and romantic suspense collection by Marie Ferrarella published between 1987 and 1998.

The For His Pleasure series by Kelly Favor includes 26 contemporary romance installments published from 2012 to 2016.

For His Pleasure: Red Hot is a single-book companion to Kelly Favor's For His Pleasure series, published in 2014.

A three-book contemporary romance series by D. Rose about lasting love and commitment.

The For One Night Only? series by Mira Lyn Kelly is a five-book series running from 2012 to 2014, starting with Never Stay Past Midnight.

For the Love of a Corporate Thug is a three-book urban romance series by N'Dia Rae featuring a new couple caught between boardroom ambition and street loyalty, published in 2021.

For the Love of a Good Woman is a seven-book romance series by Giulia Lagomarsino featuring men named after their book titles who find love on their own terms.

The For the Love of Aliens series by C.M. Stunich features three alien romance novels published in 2023.

The complete reading order for the For the Love of an Earl subseries, part of the Wicked Earls' Club project by Collette Cameron.

The For the Love of Soccer series by Maria Hoagland is a two-book series running from 2019 to 2019, starting with Santa Cam.

The For The Sake Of America series by Sheila Holm applies biblical principles to American civic and political life across five volumes.

The Forbidden series by V.C. Andrews follows two sisters separated at birth who find each other in New York City.

The Forbidden by Caitlin Crews is a three-book steamy romance series featuring a billionaire and forbidden attractions, published in 2015.