Billionaires book series in reading order

Lynne Graham, born 30 July 1956 in Northern Ireland, has written more than 100 romance novels for Mills & Boon since 1987. The catalogue lists 151 books from Bittersweet Passion (1987) to King's Promised Princess (2026), with Italian's Heir Before Vows scheduled for 2027. Series include International Playboys; Virgin Brides, Arrogant Husbands; Secretly Pregnant, Conveniently Wed; and Stefanos Legacy. Billionaires, Greeks, marriage and pregnancy recur among the subjects.

Sarah Morgan writes contemporary and medical romance, with 119 books catalogued from Expectant Bride (1999) to The Best Christmas Ever (2026). Physicians, nurses, billionaires and Italians are among the recorded subjects, and early titles include The Doctor's Engagement (2001), The Midwife's Child (2001) and The Greek Tycoon's Bride (2002). Series lines include From Manhattan With Love, Lakeside Mountain Rescue, Glenmore Island Doctors, Cornish Consultants, O'Neil Brothers and Miller Sisters.

J.S. Scott writes contemporary romance, much of it about billionaires and the women who meet them at work. The Billionaire's Obsession, the Sinclairs, the Walker Brothers, the Accidental Billionaires and the British Billionaires are her main series, and paranormal runs such as Vampire Coalition, Sentinel Demons and Changeling Encounters sit beside them. Ninety-four books have followed Mine for Tonight (2012), with Billionaire Undefeated ~ Gideon scheduled for 2027.

Meredith Wild writes erotic romance. Billionaires, businesswomen, personal trainers, and sexual dominance and submission recur as subjects across 21 catalogued books published between 2013 and 2025. Hardwired (2013) opens the run and Sweet Escape (2025) is the newest entry. The #Hacker, Bridge, Red Ledger, Hawthorne Vines and Blood of Zeus sets are the series catalogued under Wild's name, and Mia Michelle is credited alongside Wild on 2 titles.

Carole Mortimer, born in England in 1960, is a British romance novelist who has written more than 150 novels since 1978 and was one of the youngest authors at Mills & Boon. The catalogue lists 291 books, starting in 1979 with The Passionate Winter, Only Lover, Savage Interlude and Tempted By Desire, and reaching Linus (2026), with Amanda and the Lord scheduled for 2027. Series include Regency Unlaced, Regency Sinners, Regency Scandal, Regency Lovers, Dangerous Dukes, Ruthless Regency Dukes, Scandalous St. Claires, Knight Security, Steele Protectors, Dragon Hearts and Wynter Hearts. Subjects cover contemporary and Regency romance, nobility, marriage and businessmen.

Penny Jordan is one of the pen names of Penelope Halsall, born Penelope Jones, an English novelist who lived from 24 November 1946 to 31 December 2011. Halsall produced more than 200 romance novels: contemporary romance as Penny Jordan, Regency romance as Caroline Courtney and historical romance as Annie Groves, the maiden name of Halsall's mother. Melinda Wright and Lydia Hitchcock were two further pen names. Sales passed 70 million copies, with translations into many languages. The catalogue lists 210 books from 1979 to 2019, and the earliest entries, such as A Wager For Love (1979), carry the Caroline Courtney name. Series include Perfect Crightons, Jet Set Wives, Leopardi Brothers, Parenti Dynasty and Russian Rivals.

Jennifer Probst wrote a first book at age twelve, bound it in a folder and read it to classmates. Probst holds a master's degree in English literature and lives in the Hudson Valley of upstate New York. The catalogue lists 67 Probst books, from Executive Seduction (2004) to Belong to Me (2026), with The Long Way Back to You due in 2027. Contemporary romance and erotica are among the subjects, alongside billionaires, marriage, Italy and New York. Series include Marriage to a Billionaire, Searching For, Stay, Billionaire Builders, Sunshine Sisters and Meet Me in Italy.

Lucy Monroe writes contemporary and historical romance, with Harlequin among the recorded subjects alongside billionaires, marriage, seduction, Greeks and werewolves. Ninety books are catalogued from The Billionaire's Pregnant Mistress (2003) to Honorable Sins (2026). Series include Royal Brides, Princesses by Royal Decree, Children of the Moon, the Goddard Project, Syndicate Rules, the Mercenary Trilogy, the Petronides Brothers and Northern Fire.

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.

Kate Hewitt has 154 catalogued books, from The Man Who Could Never Love (2002) to The Amanti Heir Arrangement (2026), with A Second Chance at Lighthouse Cove due in 2027. Some titles, including Another Country and Far Horizons (both 2007), carry the name Katharine Swartz. The Italian's Chosen Wife (2007), Ruthless Boss, Hired Wife (2008) and The Greek Tycoon's Reluctant Bride (2008) are among the early books. Series include Willoughby Close, Wildflower Valley, Amherst Island, Holley Sisters of Thornthwaite and Emerald Sisters, and contemporary romance, marriage, pregnancy and billionaires appear in the subjects.

Jessica Clare writes romance and erotica. Billionaires and assassins are the recurring figures: the Billionaires and Bridesmaids, Roughneck Billionaires and Hitman series carry much of the catalogue, with Bluebonnet and Wyoming Cowboy beside them. Forty-six books are catalogued between Wicked Games (2011) and What the Hex (2023), including The Girl's Guide to (Man) Hunting (2012), Beauty and the Billionaire (2013) and Last Hit (2013). Texas, revenge and wilderness survival appear among the subject headings. No new title has appeared since 2023.

Louise Penny

24 books• 3 series

Louise Penny, born in 1958, is a Canadian writer of crime fiction, best known for the Chief Inspector Armand Gamache novels set in Quebec. The catalogue holds 24 of her books, running from Still Life (2005) to Miss Wolcott's Ghost (2026), and the Gamache series continues. Her other listings are standalone novels and a set of Gamache short stories and novellas. Hillary Rodham Clinton shares the credit on 1 of the 24 books. Penny's novels appear in more than 23 languages, and her honours include Agatha and Anthony Awards plus 2017 appointments to the Order of Canada and the National Order of Quebec.

Nora Roberts

279 books• 37 series

Nora Roberts, born Eleanor Marie Robertson on October 10, 1950, is an American writer of romance under that name. As J. D. Robb, Roberts writes police procedurals with science-fiction elements, and has also published as Jill March and, in the UK, as Sarah Hardesty. This listing carries 280 Roberts books, opening with Irish Thoroughbred (1981); The Missing is scheduled for 2027. Series on the page include the In Death Universe, the MacGregors, Night Tales, the Calhoun Women, the Chesapeake Bay Saga, Irish Hearts and the O'Hurleys.

Clive Cussler

104 books• 9 series

Clive Cussler (July 15, 1931 – February 24, 2020) was an American adventure novelist and underwater explorer. Cussler founded and chaired the National Underwater and Marine Agency (NUMA), which has located more than 60 shipwreck sites. Cussler's thrillers, many of them featuring Dirk Pitt, reached The New York Times fiction best-seller list more than 20 times. The catalogue lists 105 books under Cussler's name, beginning with The Mediterranean Caper (1973), with The Serpent's Eye due in 2027. Robin Burcell shares credit on 6 of them, Jack Du Brul on 5 and Grant Blackwood on 3. Series include Dirk Pitt, NUMA Files, Oregon Files and Sea Hunters.

Maisey Yates is the author of 184 catalogued books, from His Virgin Acquisition (2010) to First Witches Club (2026), with Challenging Her Cowboy scheduled for 2027. Subject headings cover contemporary and western romance, cowboys, ranchers, Oregon, princes and princesses. Series include Gold Valley, Gold Valley Vineyards, Copper Ridge, Four Corners Ranch, Jasper Creek, Mustang River, Deacons of Bourbon Street and Once Upon a Seduction. A Mistake, a Prince and a Pregnancy (2010), The Argentine's Price (2011) and A Royal Without Mercy (2012) are early titles.

Amelia Wilde has 94 books in the catalogue, from 2016 to 2027. The first year brought Dirty Rich, Dirty Ransom, Dirty Rogue, Dirty Royal and Dirty Rumor, along with Never His, Only His and Rich Rumor. Stolen Princess (2026) is the latest title, and Damned Villain is scheduled for 2027. Series include Bliss Brothers, Bliss Ranch, White Rose Billionaires (Billionaire Possession), Main Street Single Dads, King of Shadows, Richer Than God, Devil Trilogy, Controlling Interest and City Rich. Billionaires, competition and the FBI appear in the subject tags.

Jackie Ashenden has 90 books in the catalogue, from Falling For Finn (2013) to His Forced Sicilian Bride (2026). Talking Dirty With the Boss, Talking Dirty with the CEO and Talking Dirty With the Player all arrived in 2013. Series include Nine Circles, Texas Bounty, Bad Boy Sheikhs, Billionaire Fairy Tales, Motor City Royals, Tate Brothers, 11th Hour, Kings of Sydney and Billion $ Bastards. Subjects include billionaire and royalty romance, romantic suspense, erotica, family secrets and revenge.

Cindy Dees writes romantic suspense, with special forces and undercover operations among the subject tags. The catalogue holds 83 books from Behind Enemy Lines (2002) to Where the Sky Begins (2026). Medusa Project, H.O.T. Watch, Charlie Squad, Code: Warrior SEALs, Blackjacks, Runaway Ranch and Doctors Unlimited are among the series, and Hot Soldier Down (2002) and Kill Zone (2004) are early titles. Fantasy also appears in the subjects, alongside the Sleeping King series.

Roxanne St. Claire has 68 catalogued books spanning 2003 to 2026. Subjects attached to the work include romance, romantic suspense, bodyguards, undercover operations, murder and missing persons. Tropical Getaway (2003) is the earliest title, and Hit Reply (2004) appears under the name Rocki Claire. Series include Bullet Catcher, Guardian Angelinos, McGraths, the Barefoot Bay books, Dogfather and Dogmothers. Appointment in Amalfi (2026) is the newest title.

Catherine Mann is an American author of romance fiction and a winner of the Romance Writers of America RITA Award, with books at Berkley, Sourcebooks and Harlequin Desire. Mann holds a master's degree in theatre from UNC-Greensboro and a fine arts degree from the College of Charleston. The catalogue holds 87 books, from Grayson's Surrender (2002) to The Sweet Tea Odyssey (2026), and the 2010s are the heaviest decade. Wingman Warriors, Dark Ops, Elite Force, Alaskan Oil Barons, Top Dog Dude Ranch and Landis Brothers are among the series credited to Mann. Suspense, undercover operations and the United States Air Force appear in the subject records.