Book Series

Linda Nichols's collected works include four volumes published between 2002 and 2007.

The Second Chronicles: Thomas Covenant the Unbeliever is a three-book epic fantasy series by Stephen R. Donaldson, published between 1980 and 1983.

Second Empire by Dave Bara features Saint Cochrane's World (2017), a standalone military science fiction novel.

The Second Favorite Daughters Club by Colleen Oakes is a contemporary fiction story about sisterhood and the complicated dynamics of being the less-favored child.

The complete reading order for Judith McNaught's Second Opportunities series, a collection of contemporary romance novels about love, redemption, and second chances published between 1991 and 2005.

The Second Skin series by Ophelia Bell in reading order. A five-book paranormal romance published in 2021.

The Second Star series by Josh Hayes is a science fiction trilogy beginning with Breaking Through, featuring adventure in a Neverland-inspired setting.

Second Time Around is an inspirational romance trilogy by Kathleen Y'Barbo about second chances at love and family.

The Second Time Brides series by Sky Purington features five Regency-era romances about widows and women getting a second chance at love with lords, earls, and dukes.

The Second Verse series by Emily Snow in reading order, a two-book romance series including First Verse (2015) and Second Verse (2016).

Second World War Trilogy by Ellis Peters in order. Three novels published in the 1940s drawing on wartime experience.

Second-Chance Bridal is a three-book contemporary romance series by Kasey Michaels about second chances at love and marriage.

The Secondborn series by Amy A. Bartol features three dystopian science fiction novels published between 2017 and 2019.

The Secondhand Spaceman series by Rachel Aukes is a 2024 sci-fi series about a character making do with used and salvaged equipment in space.

The S.E.C.R.E.T. series by Lisa Gabriele follows a woman inducted into a secret society dedicated to helping women explore their deepest desires.

The Secret series by Rhonda Byrne is a collection of self-help books centered on the law of attraction, positive thinking, and personal transformation.

The Secret by Katrina Kahler follows a girl with a hidden magical ability she must learn to control.

The complete reading order for The Secret Academy series by Mallory Crowe. Five fantasy romance books set in a magical school, published between 2022 and 2024.

The Secret Agent series by Lenora Worth features five romantic suspense novels about undercover agents and their missions, published between 2007 and 2010.

Secret Agent 6th Grader by Marcus Emerson is a four-book children's series about a student who becomes a spy at his school.

The Secret Billionaire Asher Christmas Duet by Z.L. Arkadie follows the third Christmas brother in a three-book romance series.

The Secret Billionaires series by Blair Babylon is a billionaire romance series starting with Working Stiff (2016).

The Secret Billionaires is a Harlequin romance series by Dani Collins featuring three books about billionaires hiding their wealth while falling in love.

Secret Billionaires series by Leslie North features four wealthy heroes hiding their fortunes in this contemporary romance series.

The Secret Blade series by Tricia Levenseller follows a young bladesmith who accidentally forges an uncontrollable weapon.

The Secret Bookcase Mysteries by Ellie Alexander in reading order — 6 cozy mysteries starting with The Body in the Bookstore (2024).

The Secret Churchill Files series by David Lewis features two historical thriller novels connected to Winston Churchill, published in 2024 and 2025.

The Secret Clan is a four-book Scottish Highland romance series by Amanda Scott featuring a fairy clan that meddles in human love affairs, published between 2001 and 2003.

Secret Coders is a middle-grade graphic novel series by Gene Luen Yang that teaches real programming concepts through a mystery story set at a strange school.

The Secret Companion series by Rhonda Byrne includes guided journals and reader testimonials that supplement the main Secret books.

Reading order for Secret Confessions: Backstage, a multi-author Australian romance anthology set in the world of rock music.

Secret Confessions: Down & Dusty by Jackie Ashenden features four steamy romance novellas set in rural Australia.

Reading order for Secret Confessions: Sydney Housewives, a multi-author Australian romance set among Sydney's wealthy elite.

The Secret Cookie Club is a middle-grade series by Martha Freeman about four girls who bond at summer camp and stay connected through the cookies they bake and mail to each other.

The Secret Diamond Sisters by Michelle Madow is a three-book young adult series about three sisters who discover their wealthy father in Las Vegas, published between 2014 and 2015.

All 3 books in the Secret Diary series by Lily Harlem in reading order. An erotic fiction series written as confessional diaries from different women.

Secret Dreams is a romance duology by Dani Collins featuring two interconnected stories about hidden desires and unexpected love.

Secret Fantasies is a 12-book series from JoAnn Ross blending romance with suspense and fantasy elements, published between 1995 and 2012.

The Secret Favor series by Avery North features six contemporary romances with themes of hidden relationships and hard choices, published in 2021.

The Secret Gods series by G. Bailey is a four-book paranormal romance featuring divine beings, published between 2019 and 2020.

The Secret Heirs of Billionaires is a long-running multi-author Harlequin series about wealthy heroes who discover they have hidden children.

Secret Heirs of Billionaires is a multi-author Harlequin romance series about billionaires who discover they have hidden children. Over 30 books published between 2015 and 2019.

Secret Heirs of Billionaires is a massive Harlequin romance series featuring thirty-two books about wealthy men discovering they have hidden children, with Dani Collins among multiple contributing authors.

The complete Secret Heirs of Billionaires series reading order, a 34-book Harlequin Presents collection centered on secret baby and hidden heir romances, published from 2015 to 2019.

Secret Heirs of Billionaires is a multi-author Harlequin Presents series of 34 books published between 2015 and 2019, united by a secret baby theme.

Secret Invasion collects four Marvel Comics volumes tied to the 2008 crossover event in which Skrull infiltrators are revealed to have replaced heroes across the Marvel Universe.

The Secret Keepers series by Jaymin Eve is a four-book paranormal romance series published in 2018, plus a complete series omnibus from 2019.

The Secret Life of Cowboys is a contemporary cowboy romance trilogy by C.H. Admirand following the Garahan brothers in Pleasure, Texas.

The complete Secret Life of Mary Bennet reading order by Katherine Cowley. All 3 books listed in order with publication dates and Amazon links.

The Secret Life of Scoundrels is a four-book Regency romance series by Anna Harrington featuring charming rogues who fall for women they cannot resist.

The Secret Lives series by Mark de Castrique features two mystery novels about hidden identities and dangerous secrets.

The Secret Lives Mysteries by Mark de Castrique is a three-book series about hidden identities, espionage, and dangerous secrets.

The Secret Lives of Will Tucker companion entry features Miss Merriweather's Marriage, a novella extending the historical fiction trilogy by Kathleen Y'Barbo.

Secret Lives of Will Tucker is a historical fiction trilogy by Kathleen Y'Barbo following women connected to a mysterious man in post-Civil War Texas.

The Secret Matchmaker series by Jessie Clever in order, a three-book Regency romance series featuring a behind-the-scenes matchmaker pairing couples in love.

The complete reading order for Pedro Urvi's Secret of the Golden Gods trilogy, a three-book fantasy series about ancient gods and rebellion published between 2017 and 2018.

Mika Waltari's Secret of the Kingdom series consists of two novels, The Secret of the Kingdom and The Roman, set in the ancient world around the time of early Christianity and the Roman Empire.

The Secret of the Rose series by Michael Phillips in reading order. Four Christian historical novels set during the Cold War in divided Germany.

The Secret Refuge series by Lauraine Snelling is a three-book Christian historical fiction set during the American Civil War. See all books in order.

Secret Santa is a two-book Christmas romance series by Kay Lyons Stockham featuring holiday love stories with warmth, surprises, and a strong sense of seasonal atmosphere. Both books are sweet contemporary romance.

The Secret Scorpio Society series by Julia Bright is a four-book romantic suspense published between 2018 and 2022.

Complete reading order for the Secret Seven series by Enid Blyton. All 15 books in order with publication dates and Amazon links.

The Secret Shifters Next Door series by Roxie Ray features paranormal romances between women and the shifters hiding in plain sight as their neighbors.

Secret Sisters is a children's fiction series by Sandra Byrd following two friends through adventures in friendship, faith, and growing up.

Secret Sisters is a Harlequin romance duology by Dani Collins featuring two sisters whose hidden connection creates romantic complications.

The Secret Society Mystery series by Esme Addison features paranormal mysteries involving hidden witch societies and ancient magical conspiracies.

The The Secret Society of Spinsters series by Karen Witemeyer consists of Taming Lady Temperance, published in 2026.

The Secret to Superhuman Strength (2021) is a graphic memoir by Alison Bechdel about her lifelong relationship with exercise, fitness, and the search for transcendence.

Secret to the Ladies' Hearts is a single-book Regency romance by Abby Ayles, featuring The Lady's Patient, published in 2018.

The Secret War series by Sherrilyn Kenyon launched in 2025 with Shadow Wars, a new entry in her expanding supernatural fiction catalog.

Secretly Pregnant, Conveniently Wed by Lynne Graham is a four-book series from 2010-2011, featuring heroines hiding pregnancies from the powerful men who fathered their children.

The Secrets & Lies series in reading order — romantic suspense trilogy about dangerous secrets and passion.

The Secrets and Scandal Duology by Gianni Holmes is a two-book M/M romance series dealing with hidden truths and their consequences, published in 2020.

Secrets And Lies is a three-book contemporary romance series by Ainsley Booth, published between 2020 and 2021.

The Secrets in Edgewood series by Kate Hawthorne is a three-book MM romance trilogy set in the small town of Edgewood, published in 2019.

Secrets in Friday Harbor by Grace Meyers is a six-part romantic story set in Washington state's San Juan Islands.

Secrets Kept is a two-book MM romance series by Riley Hart about men hiding parts of themselves from the people closest to them.

Secrets of a Victorian Household by Virginia Heath features four romances set within the interconnected lives of a Victorian-era household, spanning from 2019 to 2020.

The Secrets of Bliss Valley series by Jo Ann Brown, four Amish romances set in a Pennsylvania valley.

The Secrets of Crittenden County series by Shelley Shepard Gray is an Amish suspense series about a missing person case that shakes a quiet community.

Secrets Of Eden Eld is a three-book middle grade horror trilogy by Kate Alice Marshall about three kids battling a supernatural evil in the strange town of Eden Eld.

The Secrets of Hadley Green series by Julia London in order. Complete reading guide for all 5 books starting with The Year of Living Scandalously (2010).

The Secrets of Heathersleigh Hall series by Michael Phillips in reading order. Four Christian historical novels set in Edwardian England.

The Secrets of Hidden Bay is a two-book mystery series by Urcelia Teixeira set in a coastal community hiding dark secrets.

The Secrets of Mary's Bookshop series with contributions by Jo Ann Brown, 24 cozy mysteries set in a bookshop.

The complete reading order for Secrets of Mary's Bookshop, a 24-book cozy mystery series from Guideposts set in the fictional Cape Cod village of Ivy Bay.

Secrets of Rios Azules is Alexa Verde's nine-book clean romantic suspense series set in a small Texas town, where each book pairs a romance with a mystery or danger involving the town's hidden secrets.

Secrets of Roux River Bayou is a three-book Christian suspense series by Kathy Herman set in Louisiana, published from 2011 to 2012.

The complete Secrets of Savannah series by Belle Calhoune in reading order. A six-book Southern romance series set in Savannah, Georgia.

The complete reading order for the Secrets of Scandalous Ladies series by Collette Cameron, a Regency romance series about unconventional heroines.

The Secrets of Shadow Falls series by Maggie Shayne is a romantic suspense quartet set in a small town hiding dark secrets, published in 2010.

Secrets of Stone Ridge by C.A. Harms is a standalone contemporary romance published in 2020.

The Secrets of Stonehaven series by Daisy Carter follows characters connected to a country estate across three historical novels published in 2024 and 2025.

The Secrets Of Stoneley series by Lenora Worth is a six-book romantic suspense series published in 2007, featuring mysteries surrounding a mysterious estate.

The Secrets of Sugarcreek series by Serena B. Miller features three Amish fiction novels published in 2025.

Secrets Of The A-List is a serialized Harlequin romance series featuring twelve episodes published in 2017, following wealthy families through scandal and passion.

Secrets of the Castleton Manor Library is a 24-book cozy mystery series following librarian Faith Newberry and her cat Watson as they solve crimes at an upscale literary retreat.

Secrets of the Castleton Manor Library is a 24-book cozy mystery series by K.D. McCrite set in a historic estate with literary-themed puzzles.

The complete reading order for Secrets of the Castleton Manor Library, a multi-author cozy mystery series published by Annies Fiction and set in a historic English manor house library.

The Secrets of the Dragon Tomb series by Patrick Samphire is a middle grade steampunk adventure set on a Victorian-era colonized Mars, featuring ancient Martian technology and a family of eccentric inventors.

The Secrets of the Ghosts series by Solease M. Barner is a paranormal romance trilogy about spirits with unfinished business and the living who are drawn into their world.

The Secrets of the Loch series by Candace Camp is a Scottish Highland romance trilogy featuring passion, mystery, and atmospheric settings.

The Secrets of the Shetlands series by Michael Phillips in reading order. Three Christian fiction novels set in Scotland's Shetland Islands.

Secrets of the Sky by Sayantani DasGupta is a middle grade fantasy series featuring three books published between 2023 and 2024.

Secrets of the South by Cynthia Hickey is a three-book mystery series set in the American South, where buried secrets, Southern charm, and danger combine in faith-based suspense stories.

The Secrets of the South Mysteries by Mary Ellis follows a private investigation firm solving cases across the American South.

Secrets of Wayfarers Inn is a multi-author cozy mystery series set in a historic Ohio inn with ties to the Underground Railroad, where present-day innkeepers solve mysteries connected to the past.

The Secrets of Xanos series by Carol Marinelli is a two-book Harlequin Presents duet published in 2011 and 2012, set on a Greek island.

The Secrets on Sterling Street series by Loree Lough features three inspirational romances about characters hiding secrets that threaten their chances at love.

The Secrets on the Emergency Wing series by Carol Marinelli is a two-book Harlequin Medical Romance duet published in 2013.

Complete reading order for the Sector General series by James White. All 14 medical science fiction novels about the famous space hospital.

Sedona Ashe's anthology contributions include Rebels Without a Claus, a multi-author holiday paranormal romance collection.

Sedona Ashe's short fiction includes Last Minute Mate, a novella about a last-second supernatural pairing.

Sedona Ashe's standalone novels include holiday paranormal romances, shifter stories, and a book-themed paranormal comedy.

The Sedona Law series by Dave Daren brings legal thriller action to a small Arizona town, where a lawyer handles cases against the backdrop of red rock country.

The Sedonia series by Lois Greiman in reading order — historical romance featuring royalty and disguises.

Seduced by the Billionaire Insta-love is a contemporary romance duology by Tina Glasneck, with both books published in 2024.

All books in Lori Brighton's Seduction series in reading order, a steamy historical romance trilogy set in Regency England with earls, rakes, and forbidden desire.

The Seduction in the City series by Nicola Marsh features two workplace romances set against an urban backdrop.

The Seduction in the City series by Mira Lyn Kelly is a two-book series running from 2010 to 2010, starting with Overtime in the Boss's Bed.

The Seduction in the City Universe by Penny Reid connects her Knitting in the City series with companion series and spinoffs in one large shared romantic comedy world.

The Seductive Nights series by Lauren Blakely is a twelve-book series running from 2013 to 2019, starting with First Night.

The complete reading order for the Seductive Scoundrels series by Collette Cameron, a Regency romance series featuring dukes and their love interests.

The Seductive Sheikhs series by Holly Rayner features five sheikh romances with secret families, fake relationships, and baby surprises.

The See series by Jamie Magee features ten paranormal romance novels published between 2012 and 2016.

See Inside and Look Inside is a 24-book illustrated nonfiction series for young children from Usborne, edited and written by Rob Lloyd Jones, covering history, science, geography, and culture through lift-the-flap pages.

See No Evil: Part 2 by Chantal Fernando is a standalone dark romance novella about secrets, danger, and forbidden attraction.

The Seed Traders Saga by Petra Durst-Benning follows women in the historical plant and flower trade across two novels.

The Seeds of America Trilogy by Laurie Halse Anderson is a three-book historical fiction series following enslaved characters during the American Revolution, published between 2008 and 2016.

The Seeds of War series by Jonathan P. Brazee is a large-scale military science fiction saga spanning nearly twenty novels of interstellar conflict.

Seeking Asylum by Alice Winters is a two-book MM romance series published in 2019 and 2020.

The Seeking Curves series by Jordan Marie features four romances with curvy heroines matched to intense alpha heroes.

The Seeking Justice series by Julia Bright is a five-book romantic suspense published between 2019 and 2020.

The Seen Trilogy by Cynthia Sax is an erotic romance series about voyeurism and desire, starting with He Watches Me (2013).

Seer: The Gift by Rick Murcer -- an epic fantasy novel about a man in Northern Michigan who wakes from a coma with a mysterious supernatural gift.

The complete reading order for The Seers trilogy by K.G. Broas, a 2025 fantasy series.

The Seetee series by Jack Williamson is a three-book science fiction saga about the mining and weaponization of antimatter in outer space.

The Sei Assassin series by Ty Hutchinson features nine thriller novels following a female assassin, published from 2015 to 2022.

The Seldom Murphy Mystery series by Vanessa Gray Bartal is a three-book mystery series published between 2020 and 2025.

The Select Your Own Timeline Adventure series by Chuck Tingle features six interactive fiction books where readers choose their own path, published from 2020 to 2022.

The Selected Journals of L.M. Montgomery is a five-volume edited edition of the author's personal diaries, published between 1986 and 1988.

Selected Papers from the Consortium for the Study of Anomalous Phenomena is a horror novella series by Eden Royce exploring supernatural investigations through fictional academic papers.

The Selection series by Kiera Cass is a #1 New York Times bestselling YA series about a competition to win a prince's heart in a dystopian future America.

The Betrothed duology by Kiera Cass is a YA fantasy romance about a girl chosen to be queen who uncovers dark secrets about the crown.

Dave Pelzer's self-help books apply the lessons of his own survival and recovery to help readers build resilience and move forward through their own challenges, across four books published from 2000 to 2008.

Charlene Ann Baumbich's self-help books include seven titles published between 1991 and 2009, blending Christian inspiration with humor on topics like parenting, holidays, and daily life.

The complete reading order for Dan Millman's self-help books, from No Ordinary Moments (1992) to The Four Purposes of Life (2016).

The Selfish series by Liz Tomforde is a two-book contemporary romance duology that explores self-discovery and love.

The Selfish series by Shantel Tessier is a three-book dark romance trilogy exploring the fine line between selfishness and selflessness in love.

The Selfless Hero Trilogy by William D. Arand is a three-book LitRPG series that began with Otherlife Dreams in 2016.

Sellsword is a 6-book harem fantasy series by Logan Jacobs following an amoral mercenary, published from 2019 to 2023.

The Selma Falck series by Anne Holt features a disgraced former athlete turned investigator solving high-profile cases in Norway.

Semi-Autobiographical Novels is a one-book collection by Jonathan Sturak featuring His First, Her Last, published in 2013.

The Semper Fi series by Jeanette Murray is a military romance trilogy about Marine officers finding love while navigating the demands of service.

The Semyonov Bratva series by Lani Lynn Vale is a four-book series running from 2025 to 2025, starting with Stay Toxic.

The Senator Bobby Hart series by D.W. Buffa is a three-book political thriller series set in Washington, D.C., starting with Rubicon in 2008.

The Senator's Wife series by Jen Lyon is a sapphic romantic suspense series that begins when a pro soccer player rescues a senator's wife from a sailing accident.

Sendero is a two-book thriller series by Max Tomlinson published between 2011 and 2013.

The Seneca Farm series by Wolfe Locke, featuring a LitRPG novel about a mercenary turned farmer.

A group of older women find that their everyday social activities keep leading to murder in this light cozy mystery series by Jinty James.

Complete reading order for the Senior Survival series by Ron Foster, a 3-book survival fiction series featuring older protagonists.

The Senses series by Andrew Grey is a six-book MM romance featuring characters with sensory disabilities who find love and connection.

The complete reading order for Kirsten Weiss's Sensibility Grey steampunk mystery series, a three-book series blending Victorian settings with mechanical inventions.

The Sentenced to War series by Jonathan P. Brazee follows convicts given a choice between prison and military service in an interstellar war.

Sentenced to War series by J.N. Chaney in order. Sixteen military sci-fi novels about a criminal conscripted into military service against alien threats.

The Sentinel by Holly Martin is her debut novel from 2013, a departure from her later romance work into darker territory.

Sentinel Security series by Leslie North follows six former military operatives running a protection agency in this romantic suspense series.

The Sentinels series by James David Victor follows a group searching for ancient alien technology across seven books, published between 2023 and 2024.

The Sentinels of Creation series by Robert W. Ross is a contemporary fantasy saga about ancient powers resurfacing in the modern world, beginning with A Power Renewed (2016).

The complete reading order for T.M. Cromer's Sentinels of Magic series, a five-book paranormal romance featuring witches, time travel, and fated mates.

The Sentinels of the Galaxy series by Maria V. Snyder is a YA science fiction trilogy about a teenager who discovers alien artifacts that could change the course of human space exploration.

The Seod Croi Chronicles by S. Usher Evans is a young adult epic fantasy trilogy following Princess Ayla and her companions on a quest to retrieve a stolen magical stone from the dangerous fae realm.

The Seoras Macleod Mysteries by G.R. Jordan in reading order — 2026 Scottish mystery series.

The September 11 series by Karen Kingsbury is a three-book Christian fiction series exploring the lasting impact of the 9/11 attacks on a firefighter and his family.

Septology is Jon Fosse's seven-part novel published in three English-language volumes, following an aging painter reflecting on art, faith, and identity.

The complete reading order for Judith McNaught's Sequels series, spanning nine historical and contemporary romance novels published between 1987 and 2005.

The Sequoia Lake series by Marina Adair features two contemporary romances set near a mountain lake in California.

The Sequoia: Fast Love Racing series by Shaw Hart is a three-book series running from 2022 to 2022, starting with Jump Start.

The Sequoia: Stud Farm series by Shaw Hart is a five-book series running from 2022 to 2022, starting with Branded.

Seraphim series by David Dalglish in order. A four-book fantasy series about winged warriors battling for control of the skies.

The Seraphina series by Rachel Hartman follows a half-dragon musician in a world where humans and dragons maintain an uneasy peace through four books.

The Seraphine Chronicles by Cheyenne McCray in reading order, a five-book paranormal romance series.

Serena B. Miller's non-fiction includes three books about Amish life and faith published between 2013 and 2017.

Serena B. Miller's standalone novels include five works of inspirational fiction published between 2010 and 2014.

Serena Bell's anthology contribution Winter Rain is a contemporary romance short story published in 2014.

Serena Bell's short stories and novellas are quick contemporary romance reads published in 2014.

Serena Bell's standalone romance novels range from lighthearted comedy to emotionally intense love stories.

The complete reading order for Sandra Orchard's Serena Jones Mystery series, featuring an FBI art crime agent investigating stolen masterpieces with clever art-themed puns in every title.

Serena Valentino's anthology contributions, including her work in The Mammoth Book of Best Horror Comics.

Serena Valentino's standalone novels, including monster humor guides and a young adult novel set in the Sleepy Hollow universe.

The Serenade Saga by Sandy Dengler is a nine-book Christian historical romance series set in various frontier and colonial settings during the nineteenth century.

The Serenade Saga is a series of nine inspirational romance novels by Kathleen Karr, published between 1984 and 1987, and representing her earliest published fiction.

The Serendipitous Love series by Christina C. Jones features six contemporary romance novels published between 2014 and 2017, starting with A Crazy Little Thing Called Love.

Serendipity is a three-book family saga series by Bette Lee Crosby where chance encounters and unexpected connections change the course of characters' lives.

The Serendipity series by Tara Brown is a two-book contemporary romance sequence published in 2018.

The Serendipity series by Rachael Anderson is a Regency romance trilogy beginning with My Sister's Intended, featuring interconnected love stories about family and unexpected matches.

The Serendipity series reading order by Carly Phillips, a small-town romance saga set in the fictional town of Serendipity.

The Serendipity Bluffs series by Mayra Statham features three holiday romance novels with snow-themed titles, published from 2022 to 2023.

All books in the Serendipity Sweethearts series by Deb Kastner in order, featuring small-town inspirational romance with Amazon links for every book.

Serendipity's Finest series reading order by Carly Phillips, featuring first responders finding love in the Serendipity small-town world.