Book Series

The SSG Vanhorn series by Toby Neighbors follows a military operative through six books of survival, resistance, and extraction.

The St Nicholas Bay series by Jo Bartlett is a three-book collection set in a fictional seaside village, mixing Christmas themes with year-round romance and community drama.

The St. Clare's series follows twins Pat and Isabel O'Sullivan through their years at a British boarding school, starting with their reluctant arrival and following them through each form.

St. Daine Family is a two-book Regency romance series by Leighann Dobbs published between 2015 and 2016.

The St. Dale series by Sharyn McCrumb explores NASCAR culture through three novels that blend mystery with Southern racing traditions.

The St. Helena Vineyard series by Marina Adair is a seven-book contemporary romance sequence set in California wine country.

The St.Is series by Lisa Samson includes St.Is: The First Book and St.As: The Second Book, published in 2020 and 2021.

Reading order for the St. John and de Gare Clans series by Kathryn Le Veque, following two medieval families across three books.

The St. John Family series by Lynda Suzanne Robinson includes Lady Valiant (1993) and Lord of Enchantment (1994), two historical romances following the same family.

The St. John Strafford series by John Banville features a detective in two novels, Snow (2020) and The Lock-Up (2023).

The St. Johns of Stonerock is a three-book Harlequin Special Edition series by Jules Bennett following the prominent St. John family in the small Tennessee town of Stonerock through Christmas stories and community romances.

The St. Kilda series by Elizabeth Lowell features five romantic suspense novels about a consulting firm, published between 2005 and 2010.

The St. Martin's True Crime Library features 62 true crime books published between 1990 and 2015, covering criminal cases from across the United States.

The St. Martin's True Crime Library by Michael Fleeman contains 62 true crime books covering real murder cases across America, published from 1990 to 2015.

St. Michaels Silver Mysteries is a seven-book cozy mystery series by Susan Reiss set in the historic waterfront town of St. Michaels, Maryland, where antique silver leads to murder.

The St. Piran's Hospital series by Carol Marinelli includes twelve Harlequin Medical Romances published between 2010 and 2013, set in a Cornish hospital.

St. Rosetta's Academy is a YA romance series by Sandhya Menon that reimagines classic fairy tales in a boarding school setting with South Asian protagonists.

The St. Simons Island series by Sage Parker follows The House on Maplewood Lane across six books.

Stacey Brutger's anthology contributions include Into the Dark, a 2021 reverse harem romance anthology featuring her story Menace to the Assassins.

Stacey Brutger's standalone novels include BloodSworn (2013), a shifter-witch paranormal romance, and Coveted (2014), a Scottish werewolf romance.

Stacey Cochran's short fiction and novellas, including three works published between 2011 and 2012.

Stacey Cochran's eight standalone novels published between 2004 and 2015, spanning thriller, horror, and literary fiction.

Stacey Wilk's standalone novel Stage Fright (2018) is a single self-contained romance outside her main series.

Collections by Stacia Tolman, including the humor book For Cluck's Sake!

Non-fiction by Stacia Tolman, including The Ultimate Film Fanatic's Trivia Challenge for movie enthusiasts.

Standalone novels by Stacia Tolman, including the literary fiction work The Spaces Between Us.

A complete list of Stacy Gregg's standalone horse fiction novels in order, from The Princess and the Foal (2013) to The Forever Horse (2020).

The Stacy Killian series includes three thriller entries. Here are all three books in reading order.

Stacy Willingham's anthology contribution The Twisted Women's Book Club, a 2025 collaborative thriller collection.

Reading order for Stacy Willingham's standalone psychological thrillers, from A Flicker in the Dark to Forget Me Not.

The Stafford Sisters is a three-book Regency romance series by G.L. Snodgrass, published in 2019, following three sisters and their encounters with titled gentlemen.

Debbie Young's two-book series set at St Bride's boarding school, following school staff through mysteries and misadventures in the Cotswolds.

The Stagecoach Brides series by Margaret Tanner features seven Western romance novels about women who arrive at their frontier destinations by stagecoach to meet their new husbands.

The Stagecoach Mail-Order Brides series by Cat Cahill features seven Western romance novels about brides arriving by stagecoach, published from 2021 to 2026.

The Stagecoach Station series by James Reasoner is a 52-book series running from 1982 to 1991, starting with Dodge City.

The Stagecoach to Golden Valley series by Linda Ford in reading order. An eleven-book Christian western romance.

The Stained series by Ella James is a paranormal romance following a fallen angel and the young woman drawn into his dangerous world.

The Stained Glass Mysteries by Jennifer McAndrews is a three-book cozy mystery series set in a small town, starting with Ill-Gotten Panes in 2014.

J.I.M. Stewart's A Staircase in Surrey quintet follows an Oxford don through five novels of academic life, published under the author's real name rather than his Michael Innes pen name.

Stalked by a Monster series by Measha Stone in order. A three-book dark romance series featuring Jekyll, Gray, and The Count.

The Stand Tall series by Kathleen Gilles Seidel follows families navigating love, loss, and seasonal change in an emotionally rich setting.

Bill Wallace's standalone children's novels include thirty titles published from 1980 to 2009, featuring animal stories and adventures set in rural America.

Standalone manga works by Junji Ito, including Remina, No Longer Human, Dissolving Classroom, and Sensor, published from 2005 to 2023.

Complete list of Lily Harlem standalone novels in publication order. Individual romance novels not part of a series, spanning contemporary, historical, and paranormal settings.

A complete list of Erin McCarthy's standalone novels in publication order, spanning contemporary romance, paranormal, and suspense.

Jenna Bennett's standalone novels outside her established series.

Shona Husk's standalone novels spanning contemporary and fantasy romance settings.

All standalone novels by Andre Dubus III in order, from Bluesman to Such Kindness, including the bestselling House of Sand and Fog.

All standalone novels by Brenda Lozano in reading order. Browse the complete list of literary fiction by the acclaimed Mexican author.

Sarah Prineas's standalone novels in publication order, including Dragonfell and the Trouble in the Stars science fiction books.

The Standish Clan series by Norah Wilson is a three-book contemporary romance series published in 2016, following siblings from the Standish family as they navigate love, loss, and second chances in small-town Canada.

The complete reading order for Nora Roberts' Stanislaskis series, six romance novels following a passionate Ukrainian-American family across two generations from 1990 to 2001.

Reading order for Al Stevens's Stanley Bentworth series, ten comedic private detective novels published between 2013 and 2017.

Stanley Gordon West's standalone novels, including the regional bestseller Blind Your Ponies and the inspirational Sweet Shattered Dreams.

The Stanley Hastings series by Parnell Hall follows a struggling actor turned reluctant private investigator through 28 humorous mystery novels set in New York City.

Standalone novels by Stanley Morgan in publication order, spanning adventure, thriller, and supernatural fiction.

Stanley Tucci's non-fiction includes two cookbooks, a food memoir, and a food diary published between 2012 and 2024.

The Stanton series by T.L. Swan is a four-book contemporary romance series beginning with Stanton Adore (2014), following a passionate love story.

All 4 Stanton Family books in order by Audra North. Complete reading order from Falling for the CEO to A Lesson in Temptation.

Complete reading order for the Stanton Pack series by Kathi S. Barton, a 7-book wolf shifter romance published between 2017 and 2020.

Star Blade series by J.N. Chaney in order. Seven sci-fi novels about elite warriors in a galactic order, published in 2025.

The Star Bodyguard Romances series by Taylor Hart features military-trained bodyguards protecting clients and falling in love.

The Star Bounty series by Rick Partlow is a four-book space opera about a bounty hunter seeking justice in a corrupt interstellar society.

The Star Breaker series by James David Victor follows a Breaker Marine through nine books of military sci-fi combat, published between 2021 and 2023.

The complete reading order for the Star Carrier series, a military science fiction saga about interstellar naval warfare and humanity's fight for survival among the stars.

The Star Cross series by Raymond L. Weil follows humanity and its allies as they face a new alien invasion threatening to destroy everything they have built.

The Star Dragon series by James David Victor combines military sci-fi with dragon bonding across nine books, published between 2024 and 2025.

The complete reading order for the Star Farmer series by Jaxon Reed, a science fiction saga spanning twelve books beginning with Tom Savage.

Star Guardians is a six-book science fiction romance series by Ruby Lionsdrake featuring alien warrior heroes, all published in 2017.

The Star Guardians series by G.J. Ogden in reading order. Five military sci-fi novels about interstellar protectors.

The Star Harbor series by Elisabeth Barrett is a four-book contemporary romance set in a Northern California coastal town across four seasons.

The Star Kingdom series by Lindsay Buroker is a ten-book space opera featuring starship combat, alien encounters, and galactic intrigue, published from 2019 to 2021.

The Star Lake series by Lorana Hoopes in reading order, a four-book clean romance series.

The complete reading order for the Star League Assassins series by Jaxon Reed, a science fiction espionage series spanning eleven books.

The Star Marque Trilogy by Shami Stovall in reading order, a science fiction duology with space opera and adventure elements.

Star of Justice is a four-book mystery series by Bruce Hammack about justice and redemption in a small Texas town.

The Star of the Sea Academy series by Luanne Rice follows women connected to a Catholic girls' school through two novels about faith, friendship, and family secrets.

The Star One series by Raymond L. Weil follows humanity's first steps into deep space from the lunar city of Tycho, facing cosmic threats that could end civilization.

All 8 books in Jeffrey A. Carver's Star Rigger series in order, following pilots who navigate through a subjective hyperspace called the Flux.

The Star Scavengers series by G.J. Ogden in reading order. Six space opera novels about salvage crews and galactic conflict.

Star Scrapper series by J.N. Chaney in order. Fifteen sci-fi novels following a scavenger who becomes a galactic hunter.

The Star Shards Chronicles by Neal Shusterman is a three-book YA science fiction series about six teenagers with cosmic powers linked to a dying star, published 1995-2002.

The Star Svensdotter series by Dana Stabenow is a science fiction trilogy about space exploration and colonization, published in the early 1990s.

Star Touched: Fae Bound by Michelle Madow is a seven-book fae fantasy romance series beginning with Golden Star, featuring star-themed magic and fae bonds.

Star Touched: Vampire Bride by Michelle Madow is a four-book paranormal romance series about a woman caught between vampire politics and forbidden love, published between 2023 and 2024.

Star Touched: Witch Blade by Michelle Madow is a fantasy romance sub-series within the Star Touched universe, following a witch heroine through six books.

Star Touched: Wolf Born by Michelle Madow is a four-book paranormal fantasy series published in 2023, following a wolf shifter heroine in the Star Touched universe.

Star Trek Archives collected editions featuring Peter David's Star Trek comic stories.

Star Trek Fotonovel is a 15-volume series of illustrated novels published by Bantam Books from 1977 to 1982, adapting individual Star Trek episodes using photographs from the original TV series. Theodore Sturgeon contributed the episode Amok Time to the series.

The complete reading order for the Star Trek TOS movie novelizations for films V and VI, adapting The Final Frontier and The Undiscovered Country.

Star Trek Voyager: String Theory is a three-book crossover trilogy set during Voyager's time in the Delta Quadrant, drawing on concepts from theoretical physics to frame the crew's encounter with a powerful alien force.

Star Trek: Academy novel Collision Course by Judith & Garfield Reeves-Stevens, featuring the early days of Kirk and Spock at Starfleet Academy.

The Star Trek: Coda Trilogy by David Mack is the three-book conclusion to the long-running Star Trek novel relaunch continuity.

The Star Trek Day of Honor series collects six Star Trek novels centered around the Klingon concept of honor, with contributions by Kristine Kathryn Rusch.

The Star Trek: Day Of Honor series by Star Trek: Voyager is a five-book series running from 1997 to 1997, starting with Ancient Blood.

The Star Trek: Deep Space Nine Young Adult book series by Brad Strickland in reading order, 11 novels set on the space station.

Reading order for the Star Trek: Deep Space Nine: Avatar duology by S.D. Perry, continuing the DS9 story after the television series finale.

All 3 Star Trek: Deep Space Nine: Millennium books by Judith & Garfield Reeves-Stevens in reading order, an epic trilogy set during the Dominion War era.

Reading order for the Star Trek: Deep Space Nine: Terok Nor trilogy, a prequel series about the Cardassian occupation of Bajor and the station's origins.

The Star Trek: Discovery novels expand the story of the Discovery TV series through original tie-in novels by David Mack and others.

Star Trek: Discovery tie-in fiction by Kirsten Beyer spans six books and comics set in the world of the CBS television series, covering both prequel and sequel storylines.

The complete reading order for the Star Trek: Enterprise novel series, expanding on the prequel television show.

Star Trek: Gateways novels in reading order, a multi-author crossover series spanning the Star Trek universe.

The Star Trek: Gateways series by Star Trek: Voyager is a seven-book series running from 2001 to 2001, starting with One Small Step.

The Star Trek: Invasion series by Star Trek: Voyager is a four-book series running from 1996 to 1996, starting with First Strike.

Star Trek: Mirror Universe collects stories set in Star Trek's darker alternate reality across three anthology volumes.

The Star Trek: Mirror Universe (Relaunch Continuity) novels explore the darker alternate universe across multiple eras of Star Trek.

The complete reading order for the Star Trek movie novelizations, adapting the original and reboot films into novel form.

The Star Trek Movie Novelization series collects the novel adaptations of the Star Trek films, from The Motion Picture (1979) through Star Trek Into Darkness (2013).

Star Trek: New Frontier novels by Peter David in reading order, following Captain Mackenzie Calhoun and the crew of the USS Excalibur.

All 3 Star Trek: Odyssey books by Judith & Garfield Reeves-Stevens in reading order — The Ashes of Eden, The Return, and Avenger — co-written with William Shatner.

The Star Trek: Picard novels expand on the story of the Picard television series through original tie-in novels set before, during, and after the show.

Star Trek: Picard tie-in fiction by Kirsten Beyer spans seven novels published between 2020 and 2026, set in the world of the Paramount+ television series.

The Star Trek: Section 31 novels follow the covert intelligence organization operating in the shadows of Starfleet across multiple eras.

The Star Trek: Section 31 series by Star Trek: Voyager is a six-book series running from 2001 to 2017, starting with Rogue.

Reading order for the Star Trek: Section 31 novel series, a multi-author subseries about Starfleet's secret intelligence organization spanning multiple Trek eras.

Star Trek: Seekers is a four-book series by David Mack set during the original series era, following two starships exploring the Taurus Reach.

The Star Trek: Stardate Collection Vol. 1 is a 2013 comics anthology collecting classic Star Trek comic strips, associated with Dan Abnett's work on the franchise.

Star Trek: Starfleet Academy series reading order, featuring young versions of the Enterprise crew in their early training at Starfleet Academy.

Star Trek: Starfleet Corps of Engineers is a massive series of 79 novels and novellas about Starfleet's engineering and problem-solving specialists.

Complete reading order for Star Trek: Starfleet Corps of Engineers (S.C.E.), a multi-author ebook novella series with over 70 installments published 2000-2007.

The Star Trek: Strange New Worlds novels are tie-in fiction based on the television series, featuring Captain Pike and the crew of the Enterprise.

Star Trek: Strange New Worlds anthology contributions by David DeLee in reading order.

Star Trek: Strange New Worlds is the official annual anthology series published by Pocket Books from 1998 to 2007, collecting fan-written short stories set across the Star Trek television universe, including multiple contributions from Kevin G. Summers.

Star Trek: The Captain's Table novels in reading order, a multi-author anthology series with Peter David's contributions.

The Star Trek: The Captain's Table series by Star Trek: Voyager is a six-book series running from 1998 to 1998, starting with War Dragons.

All 3 Star Trek: Mirror Universe Trilogy books by Judith & Garfield Reeves-Stevens in reading order — Spectre, Dark Victory, and Preserver — co-written with William Shatner.

Star Trek: The Next Generation - Starfleet Academy young adult novels in reading order.

The Star Trek: The Next Generation Starfleet Academy book series by Brad Strickland in reading order, 14 novels about Starfleet cadets.

Star Trek: The Next Generation original novels by Peter David in reading order, featuring Picard and the Enterprise crew.

The complete reading order for the Star Trek: The Next Generation Relaunch novels, continuing the TNG story beyond the television series and films.

The Star Trek: The Next Generation (Relaunch) novel series continues the TNG crew's story beyond the television series and movies across 76 entries.

Star Trek: The Next Generation relaunch novels by Peter David in reading order, continuing the story after the TV series.

Star Trek: The Next Generation - A Time To... is a nine-book series bridging the gap between the TNG TV series and the later movies.

Star Trek: The Next Generation - Cold Equations is a trilogy by David Mack dealing with artificial intelligence and the nature of identity in the Trek universe.

Star Trek: The Next Generation - Destiny is David Mack's trilogy about a massive Borg invasion that changes the Star Trek novel universe permanently.

Star Trek: The Next Generation: Imzadi novels by Peter David in reading order, exploring the relationship between Riker and Troi.

Star Trek: The Next Generation Signature Edition reprints of Peter David's key TNG novels.

The Star Trek: Titan series follows Captain Riker and the crew of the U.S.S. Titan on deep-space exploration missions after the events of Star Trek: Nemesis.

The complete reading order for the Star Trek: TNG movie novelizations, adapting the four Next Generation feature films.

Star Trek: TOS: Legacies is a three-book series set during the original series era, published for Star Trek's 50th anniversary.

The Star Trek: TOS Starfleet Academy book series by Brad Strickland in reading order, 5 novels featuring young Kirk and other original series characters.

The complete reading order for the Star Trek TOS Lost Years Saga, a four-book series set between the original series and The Motion Picture.

All 3 Star Trek: Totality books by Judith & Garfield Reeves-Stevens in reading order — Captain's Peril, Captain's Blood, and Captain's Glory — co-written with William Shatner.

Star Trek: Typhon Pact is a multi-book series exploring the political aftermath of the Borg invasion, as rival powers form an alliance against the Federation.

Star Trek: Vanguard is an original series-era novel series set on a remote space station, exploring a mysterious region of space called the Taurus Reach.

A comprehensive collection of Star Trek Voyager novels and tie-in books, including contributions by Kristine Kathryn Rusch and many other authors.

The Star Trek: Voyager series by Star Trek: Voyager is a 37-book series running from 1995 to 2020, starting with Caretaker.

Star Trek: Voyager fiction by Kirsten Beyer spans 58 books from the show's original 1995 tie-ins through to Beyer's acclaimed post-series continuation novels published up to 2020.

The Star Trek: Voyager: Dark Matters series by Star Trek: Voyager is a three-book series running from 2000 to 2000, starting with Cloak and Dagger.

The Star Trek: Voyager: Homecoming series by Star Trek: Voyager is a two-book series running from 2003 to 2003, starting with Homecoming.

The Star Trek: Voyager: Spirit Walk series by Star Trek: Voyager is a two-book series running from 2004 to 2004, starting with Old Wounds.

The Star Trek: Voyager: Starfleet Academy series by Star Trek: Voyager is a three-book series running from 1997 to 1997, starting with Lifeline.

Ashley Poston's Star Wars contribution is Eyes Like Stars (2026), a young adult novel set in the Star Wars universe.

The Star Wars Disney collection includes novels, children's books, and adaptations set in the official Star Wars canon, with Greg Rucka contributing several entries.

Drew Daywalt's contributions to the Star Wars Disney publishing line, including novelizations and original stories for young readers published from 2014 to 2018.

Star Wars Disney Canon graphic novels collect comic book stories set in the official Star Wars timeline, featuring contributions from Greg Rucka and other writers.

The Star Wars Disney Canon Graphic Novel series collects graphic novel adaptations and original stories set in the Star Wars universe, with contributions from Beth Revis and other creators.

Michael A. Stackpole's collected works include 84 volumes published between 2015 and 2024.

The Star Wars Omnibus series by Michael A. Stackpole is a seven-book series running from 2008 to 2013, starting with Star Wars Omnibus.

A Star Wars comic miniseries by Charles Soule following Qi'ra's criminal empire between The Empire Strikes Back and Return of the Jedi.

Charles Soule's Darth Vader comic series set immediately after Revenge of the Sith, following Vader's early days as a Sith Lord.

Star Wars: Galaxy's Edge by Zoraida Córdova includes two novels set in the theme park's fictional setting, published in 2019.

The Star Wars: Legends: Tales from… series by Michael A. Stackpole is a 58-book series running from 1994 to 2013, starting with Tales from the Mos Eisley Cantina.

A Star Wars comic series following Resistance pilot Poe Dameron and his Black Squadron on missions leading up to The Force Awakens.

The Star Wars: The Clone Wars - Decide Your Destiny series by Tracey West features interactive books set during the Clone Wars era of the Star Wars universe.

The Star Wars: The Clone Wars Junior Novel series by Tracey West adapts stories from the animated Clone Wars series into junior novel format for young readers.

The Star Wars: The Force Awakens Adaptation is a comic book retelling of the 2015 film, written by Chuck Wendig and published by Marvel Comics across multiple issues.

Star Wars: The High Republic is a multi-author publishing initiative set centuries before the Skywalker saga, with contributions from Zoraida Córdova among many other authors.

All 60 books in the Star Wars: The High Republic series in reading order, a multi-author franchise set centuries before the Skywalker saga, with contributions from Lydia Kang and many other authors.

Charles Soule's contributions to the Star Wars: The High Republic multimedia initiative, set centuries before the Skywalker saga.

Star Wars The Last Jedi tie-in novel Cobalt Squadron (2017) by Elizabeth Wein, following a Resistance bomber crew.

The Star Wars: The New Jedi Order series by Michael A. Stackpole is a 39-book series running from 1999 to 2012, starting with Vector Prime.

Star Wars: The New Jedi Order is a multi-author shared-world series of 39 entries set in the Star Wars Expanded Universe, published between 1999 and 2012, featuring contributions from Walter Jon Williams and many other authors.

A Star Wars crossover comic event by Charles Soule centered on the fight over Han Solo's frozen body between bounty hunters, criminals, and the Empire.

The Star Wars: X-Wing series by Michael A. Stackpole is a thirteen-book series running from 1996 to 2012, starting with Rogue Squadron.

Star Wars: Young Adult Stand-alone Novels is a collection of YA novels set across the Star Wars timeline, featuring work from multiple authors including Zoraida Córdova.

The Star Wars Young Adult Stand-alone Novels series brings original stories and character-focused novels to younger readers, covering characters from Ahsoka Tano to Padme Amidala to Poe Dameron.

The Star-Crossed City / The Instant Always series by Ari Wright is a paranormal romance trilogy featuring fated mates and an urban fantasy setting.

The Star-Touched Queen series by Roshani Chokshi is a young adult fantasy duology inspired by Hindu mythology, known for its lush prose and romantic storylines.

The Star-Touched Queen Collections bring together Roshani Chokshi's novels and shorter fiction set in the world of her debut fantasy series.

Starbreaker is a five-volume science fiction series by Luke Chmilenko, published between 2025 and 2026.

The Starbuck Chronicles by Zoe Dawson is a two-book paranormal series starting with AfterLife (2014).

Starcaster series by J.N. Chaney in order. Six military sci-fi novels combining magic and space warfare.

The Starchild trilogy by Jack Williamson and Frederik Pohl follows humanity's struggle for freedom in a computer-controlled future society.

The StarCrossed series by Elizabeth C. Bunce is a young adult fantasy duology about a thief hiding among nobles in a kingdom at war.

The Stardance series by Spider Robinson is a three-book series running from 1977 to 1995, starting with Stardance.

The Stardust, Texas series by Lori Wilde is a sports romance trilogy set in a small Texas town with a love for baseball.

The Starfall Point series by Molly Harper is a paranormal romance series about witches living in a magical community.

The Starfire Cozy Mystery series by London Lovett features nine 1920s historical cozy mysteries set in early Hollywood-era Los Angeles, published from 2019 to 2022.

Starforce Ganymede is a two-book military science fiction series by Nick S. Thomas set on Jupiter's moon Ganymede, published in 2011.

The Stargazer Alien Barbarian Brides series by Tasha Black features rugged alien warriors matched with human women in a barbarian-themed sci-fi romance.

The Stargazer Alien Mail Order Brides series by Tasha Black is a fifteen-book sci-fi romance series about human women matched with alien heroes through an interstellar program.

The Stargazer Alien Mystery Brides series by Tasha Black adds a mystery twist to alien romance with three books following detective-named heroes.

The Stargazer Alien Reality Show Brides series by Tasha Black puts alien-human matchmaking on reality television for a humorous sci-fi romance trilogy.

The Stargazer Alien Space Cruise Brides series by Tasha Black sets alien romance aboard a luxury space cruise ship with five books.

The Stargods series by Irene Radford. Three sci-fi novels blending space opera with dragon fantasy.

The Starhunter series by Vaughn Heppner is a 3-book science fiction adventure about discovering and exploring alien starships, published in 2025.

The Stark, Rash, Done series by Jake Bible consists of Stark, published in 2012.

The Starkis Family series by Cheryl Douglas follows six siblings finding love across six books published in 2015.