Triangles (interpersonal relations) book series in reading order

by Colleen Hoover

by Jenny Han

by Ally Condie

Eric Jerome Dickey wrote about African American men and women, love and betrayal, often in Los Angeles. 33 catalogued books run from Sister, Sister (1996) to The Son of Mr. Suleman, including Friends and Lovers (1997), Milk in My Coffee (1998), Cheaters (1999) and Liar's Game (2000). The Gideon novels, the McBroom Sisters and Nia Simone Bijou head series of their own, alongside standalone fiction, short stories and graphic novels. The catalogue closed in 2021.

Lora Leigh, born March 6, 1965, is an American author of erotic romance with New York Times bestseller status. Leigh began publishing in 2003 with the electronic publisher Ellora's Cave. The Breeds is the longest-running series, and Elite Ops, Nauti Boys, Bound Hearts, Wizard Twins and Men of Summer are among the others. The catalogue holds 115 books from 2003 to Play Hard (2025). Leigh won the 2009 RT Award for erotica and was born in Ohio and raised in Martin County, Kentucky.

Shayla Black writes erotic romance and romantic suspense, with sexual dominance and submission a recurring subject. Early historical titles appeared as Shelley Bradley, starting with The Lady and the Dragon (1998). The Wicked Lovers, Perfect Gentlemen, Masters of Menage, Doms of Her Life and Doomsday Brethren series follow. Ninety-two titles are catalogued, reaching Tempted by the Bosshole in 2024.

Patricia Highsmith

36 books• 1 series

Psychological suspense was Patricia Highsmith's territory: criminals, psychopaths, murder, and the strain that identity puts on ordinary morality. Highsmith (1921-1995), born Mary Patricia Plangman, was an American novelist and short story writer whose work drew on existentialist literature and produced more than two dozen film adaptations. Five novels follow the character Tom Ripley, starting with The Talented Mr. Ripley (1955). The catalogue holds 36 titles, from Strangers on a Train (1950) to the collected diaries and notebooks issued in 2021, with the 1960s her heaviest decade.

Molly McAdams writes contemporary romance turning on love triangles, college-age characters and coming-of-age crises. Twenty-nine catalogued books run from From Ashes (2012) to Stealing Chances (2022), among them the Forgiving Lies, Thatch, Brewed, Sharing You and Secrets in L.A. series, with stories set in Texas and San Francisco. No new McAdams title has been recorded since 2022.

Megan Hart, born March 27, 1971, in Harrisburg, Pennsylvania, is a New York Times bestselling American author of romance and erotic fiction, and writes thrillers as Mina Hardy. Hart earned a journalism degree from Indiana University of Pennsylvania in 1993, returned to fiction in 1998 and published a first book in 2002, and now lives in Dayton, Ohio. The catalogue lists 110 books from An Exaltation of Larks (2002) to Like a Mother (2024), the latter as Mina Hardy. Series include Order of Solace, Dan & Elle, Kate & Leah and Quarry Road.

Opal Carew is a Canadian novelist of erotic romance, with 116 catalogued books published between 2004 and 2020. Carew also writes erotica as Ruby Carew and sweet romance as Amber Carew, and the earliest catalogued titles, including Virgin Spy (2004) and Virgin Wanted (2005), carry the Amber Carew name. Twelve series are recorded, among them Office Slave, His To Claim, Riding Steele, Mastered By, Penthouse Pleasures, Red Hot Fantasies, Tempting The Boss and Dirty Talk. Triangles, group relationships, dominance and submission and resort settings fill the subject index. The books run to a median of 256 pages, and nothing new has been catalogued since Stroke of Luck (2020).

Colleen Coble is an American Christian novelist born January 19, 1952, in Wabash, Indiana, and raised on a farm in Wabash County. Coble writes romance, romantic suspense and historical fiction, with sales of roughly 6 million copies. Honours include the RITA from Romance Writers of America and the ACFW Book of the Year. The catalogue holds 92 titles, from A Heart's Disguise (1997) to Conspiracy (2026). Rock Harbor, Aloha Reef, Lonestar, Hope Beach, Mercy Falls, Lavender Tides, Pelican Harbor and Tupelo Grove are among the named series.

Something Borrowed (2004) opens the Emily Giffin catalogue, which runs to 14 books and ends with Love You More (2026). Giffin is an American novelist born on March 20, 1972. Married life, single women and love triangles appear among the subject headings. Other titles include Baby Proof (2006), Heart of the Matter (2010), Where We Belong (2012) and The One & Only (2014), and the Adventures of Darcy series sits beside the standalone novels.

Tracie Peterson, born 1959, writes Christian fiction, mostly historical novels carrying romance and faith themes. Peterson used the pen name Janelle Jamison early on and has written joint novels with other Christian authors; Bethany House publishes many of the titles. Several Peterson series feature Harvey Girls, the waitstaff of the Fred Harvey Company. The catalogue lists 153 books from A Kingdom Divided (1991) to Devoted to Love (2026), across series such as Heirs of Montana, Westward Chronicles, Ribbons West, Yukon Quest, Shannon Saga and Desert Roses. Peterson lives in Montana and runs Peterson Ink with husband Jim.

Abbi Glines writes contemporary and young adult romance, with dating, family trouble and love triangles across the subjects. Sea Breeze, Rosemary Beach, Field Party, the Vincent Boys, the Existence trilogy and the Smoke series carry the catalogue, which holds 85 books from Breathe (2011) to Up To No Good. Alabama and rock musicians appear among the settings and occupations.

Thomas Hardy

20 books• 1 series

Wessex (England) appears in the subject headings for Thomas Hardy, alongside adultery, love triangles and rural social customs. Hardy was an English novelist, poet and architect, born 2 June 1840 and died 11 January 1928. Hardy wrote as a Victorian realist in the line of George Eliot, drew on Romanticism including Wordsworth, and was sharply critical of Victorian society, above all the falling status of rural people in South West England. Poetry mattered most to Hardy, though the first collection came only in 1898. The catalogue lists 20 books, beginning with Desperate Remedies (1871), Under the Greenwood Tree (1872) and Far From the Madding Crowd (1874), with The Mayor of Casterbridge (1886) among the later titles.

Gilbert Morris produced Christian historical fiction at length: 248 catalogued books between 1977 and 2014. The House of Winslow follows one family across American history; the Appomattox Saga and Bonnets & Bugles take up the Civil War; Cheney Duvall, M.D. follows a woman physician; the Seven Sleepers, Dixie Morris and Too Smart Jones series sit alongside, with children's fiction among the subjects. The catalogue opens with Race Against Time (1977), reaches Raina's Choice, and is listed as likely complete.

Edith Wharton

122 books• 6 series

Edith Wharton (January 24, 1862 to August 11, 1937), born Edith Newbold Jones, was an American novelist and designer. Wharton used first-hand knowledge of upper-class New York society to depict the lives and morals of the Gilded Age with realism. The Age of Innocence made Wharton the first woman to win the Pulitzer Prize for Fiction, in 1921. The House of Mirth, the novella Ethan Frome and a number of ghost stories are other well-known works, and Wharton entered the National Women's Hall of Fame in 1996. The catalogue lists 122 titles, from Souls Belated (1899) through The Touchstone (1900), The Valley of Decision (1902) and Sanctuary (1903). Old New York is the series on the author page.

Romantic comedy is Jill Mansell's territory. The British novelist published Fast Friends and Solo in 1991 and has 38 catalogued books through Just One Look At You (2026). Mansell's novels work through man-woman relationships, female friendship, sisters, widows and love triangles, several of them set in London. Sales pass fifteen million copies worldwide, and Mansell is still publishing.

Mary B. Morrison writes romance and erotica, and subjects include African American women, love triangles and Atlanta. The catalogue lists 28 books published between 1999 and 2020. Soulmates Dissipate (2000), Who's Making Love (2001), Never Again Once More (2002) and Sweeter Than Honey (2007) are among them. Morrison's series are Soulmates Dissipate and If I Can't Have You, and the catalogue also links Honey Diaries. Careful What You Click For (2020) is the newest, and the run is listed as likely complete.

Kristen Heitzmann wrote Christian romance and inspirational fiction, much of it set in the Rocky Mountains. Honor's Pledge (1998) opens the catalogue, and the Rocky Mountain Legacy, Diamond of the Rockies, Spencer Family, Michelli Family, Redford and Told You series follow. Ranch life, women pioneers and mining country supply the subjects. The catalogue stands at 23 books and ends with Told You Twice (2015).

Christopher Rice writes across thrillers, horror, romance and erotica, with psychological fiction and siblings among the subjects. Catalogued novels include A Density of Souls (2000), The Snow Garden (2002), Light Before Day (2004), Blind Fall (2008), The Moonlit Earth (2011) and The Heavens Rise (2013). Series include Sapphire Cove, Burning Girl and Desire Exchange, and the catalogue also links the MacKenzie Family. Party of Three (2025) is the newest title.

Carole Matthews is a British writer of romantic comedy whose books have sold more than 7 million copies across 31 countries. Let's Meet on Platform 8 (1997) opens 38 catalogued titles ending with Christmas For Beginners (2020). The Chocolate Lovers' Club is the one continuing series; standalone novels, short stories and novellas make up the rest. Female friendship, single mothers, marriage and Christmas supply the material. The Festival of Romance put Matthews in its Hall of Fame in 2011.

S.C. Stephens writes contemporary romance around musicians and love triangles. Thoughtless (2009) opens both the catalogue and its own series, followed by Effortless (2011), Reckless (2013), Thoughtful (2015) and Untamed (2015). Conversion and Furious Rush are the other two series across 20 catalogued books, which close with Wonderful (2023). The novels are long, at a median of 462 pages.

H.M. Ward has 93 books in the catalogue, published between 2011 and 2022. The first titles in 2011 include Demon Kissed, Cursed and Torn, and demonology appears among the subjects alongside contemporary romance and erotic stories. The Ferro Family series runs through several branches, including The Arrangement, Secrets & Lies, Stripped and Damaged. Secret Life Of Trystan Scott and Vampire Apocalypse are also listed. The Dark Prince (2022) is the latest title, and Ward is listed as dormant.

La’Tonya West writes urban fiction. Subject tags across the 25 catalogued books name African American women, man-woman relationships, love triangles and erotic stories, together with romantic suspense, pregnant women and illegitimate children. The run starts at Consequences (2009) and reaches From Main Chic To Side Chic (2021), and the series headings are Side Chic, Cookie and Meeko, Crazy In Luv, Nasty Secrets and Tremaine. Michel Moore and T.C. Littles each carry a single credit alongside West. The median listed length is 265 pages and the listing is dormant.

James Patterson

510 books• 73 series

James Patterson, born on March 22, 1947, is an American writer whose catalogue here holds 514 books published from 1976 to 2027. The run opens with The Thomas Berryman Number (1976), and Along Came a Spider (1992) and Kiss the Girls (1995) follow later. Alex Cross, Michael Bennett, Maximum Ride, Daniel X, Witch & Wizard, NYPD Red, Private, Middle School and the Women's Murder Club are among the Patterson series, alongside standalone thrillers, non-fiction and romance. Marshall Karp shares the credit on 5 of the books. Patterson's sales exceed 425 million copies, and Patterson was the first person to sell one million e-books. Forbes ranked Patterson the highest-paid author in 2016, for a third year running, and the National Book Foundation gave Patterson the Literarian Award in November 2015. 27 Stars is scheduled for 2027.

Elin Hilderbrand is an American novelist, born July 17, 1969, who writes mystery and romance. Hilderbrand lives on Nantucket, and the novels are typically set on and around the island. The 39 catalogued books start with The Beach Club (2000) and reach The Thoroughbreds (2026). Named series include Nantucket, Paradise and 28 Summers. Subject headings return to family secrets, female friendship, summer resorts and love stories. In 2019 New York magazine called Hilderbrand "the queen of beach reads".