- Keizerin in lingerie
- KEL
- Kellan
- Keller County Cops Book Four: Deliverance From Evil
- Kelly Hill
- Kenan's Mate: A Dark Sci-Fi Alien Romance
- Kenias rote Sonne
- Kennedy & Tristan: Moretti Crime Family Novel
- Kennedy High School vol. 2 – Rebel
- Kennedy High School vol. 3 – Young and Free
- Kennedy High School – Bad Boy
- Kentucky Running: A Road to Dallas
- Kept: Book Two
- Kerri's War
- Kerri's War, (Volume Three of The King Trilogy)
- Kerrick
- Kestrel
- Kevlar to my Vest
- Key to Love
- Keys
- Keys to my Cuffs
- KGI - Dunkle Stunde
- KGI - Düstere Vergangenheit
- KGI - Gefährliche Hoffnung
- KGI - Jenseits des Sturms
- KGI - Nach der Dunkelheit
- KGI - Stummes Echo
- KGI - Tödliche Rache
- KGI - Unheilvoller Morgen
- KGI – Verloren im Dunkel
- Khandarken Rising, The Last War: Book One
- Kian
- Kian
- Kicker's Legacy
- Kickstart Her Heart (The Town of Fayetteville 5)
- Kid Chaos
- Kidnap Threat
- Kidnapped
- Kidnapped at Christmas
- Kidnapped by a Billionaire
- Kidnapped by a Billionaire - Vol. 1
- Kidnapped by a Billionaire - Vol. 3
- Kidnapped By a Billionaire, Vol. 2
- Kidnapped by a Seal
- Kidnapped by the Billionaire
- Special Recovery
- Kidnapped Hearts
- Kidnapped in Alaska
- Kidnapped in Texas
- Kidnapping in Kendall County
- Kidnappée
- Kidnappée par un milliardaire, vol. 1
- Kidnappée par un milliardaire, Vol. 2
- Kidnappée par un milliardaire, vol. 3
- Kieran (Dance with the Devil 5)
- Kill a Spy
- Kill and Tell
- Kill Game
- Kill Me Twice
- Kill Nation
- Kill or Die
- Kill Shot
- Kill the Competition
- Kill the Messenger
- Killer
- Killer Among Us
- Killer Appeal
- Killer Attraction
- Killer Boss
- Killer Charm
- Killer Charms
- Killer Conference
- Killer Connection (A Hawaii Mystery Novelette)
- Killer Cruise
- Killer Cuisine
- Killer Cupid
- Killer Curves
- Killer Daddy
- Killer Desire
- Killer Desires
- Killer Dreams
- Killer for Hire
- Killer in High Heels
- Killer in Wolf's Clothing
- Killer Insight
- Killer Moms
- Killer on Fire
- Killer Prince
- Killer Tide
- Killer Trilogy
- Killer Twins
- Killer's Pet (Book 1)
- Killer's Pet (Book 2)
- Killer's Pet (Book 3)