- K-9 Cold Case
- K-9 Defence
- K-9 Defense
- K-9 Hideout
- K-9 Patrol
- K-9 Recovery
- K-9 Rescue Series, Books 1-3 + A Novella
- K-I-S-S-I-N-G
- KADE
- Kade's Worth
- Kage
- Kain
- Kain und Abel
- Kaiserin in Dessous
- Kale (The Fire Inside Series)
- Kali is Your Code Name
- Kaltblütig
- Kamikaze Nights [Love on the Rocks 3]
- Kampen for Monika
- Kandiland
- Kane
- Kangaroo Crossing: Legend of a Desert Grave
- Kann denn Sünde Liebe sein
- Kano's Keep
- Kansas City Christmas
- Kansas City Cop
- Kansas City Cowboy
- Kansas City Secrets & Kansas City Confessions
- Kara's Gift
- Kari and the Cowboy
- Karlotta Quirt
- Karma
- Karma's Bite
- Karzhov Crime Family Series
- Kase
- Kat and Mouse
- Kat Out of the Bag
- Kat's Last Chance (The Evans Family, Book Four)
- Kat's Pride
- Katarina’s Return
- Kate & Walker: The Collection
- Kate Cavanaugh Mystery Collection
- Kate Douglas: A 2-Book Bundle
- Kate Liberty - Ungewollt Detektivin
- Kate Liberty - Unverhofft Detektivin
- Kate Muldoon: For the Defense
- Kate Neilson Series Boxed Set
- Katerina Carter Color of Money Mystery Series Boxset
- Katerina's Secret
- Kathleen's Surrender
- Katie's Rescue
- Kattentijd
- Katzenfische
- Kayaks, Kisses and Monsters
- Kayde's Tempation
- Kayden the Past
- Kayıp Bir Adamın Hikayesi
- KCPD Protector
- Keane
- Keep
- Keep Away from me
- Keep Away from me (teaser)
- Keep Her From Harm
- Keep Her Quiet
- Keep Her Safe
- Keep It Classy
- Keep It Under Wraps [Reel to Real 2]
- Keep Me (Twist Me #2)
- Keep Me Close
- Keep Me Closer
- Keep Me Closer: Dangerous Tides 2
- Keep Me Going
- Keep Me In Your Heart
- Keep Me Safe
- Keeper of the Night
- Keeper of the Seed
- Keepers of the Cave
- Keeping Allie
- Keeping Baby Secret
- KEEPING CHRISTMAS
- Keeping Christmas
- Keeping Faith
- Keeping Her Close
- Keeping Her Satisfied
- Keeping Her SEAL
- Keeping Her Trust
- Keeping Him
- Keeping His Promise
- Keeping It Together
- Keeping King
- Keeping Sarah
- Keeping Sunny Safe
- Keeping Watch
- Keeping You Away
- Keepsake
- Keg's Revelation
- Kegyes halál
- Kegyes igazság
- Kegyes titok
- Kein Alibi
- Kein Glück: Milliardär Liebesromane
- Keine heile Welt vor der Hochzeit
- Keine Versprechen: Eine Bad Boy Milliardär Liebesroman
- Keine Zeit für Beifall
- Keine Zeit für Vampire
- Keisha & Trigga
- Keisha & Trigga 2
- Keisha & Trigga 3
- Keisha & Trigga 4
- Keisha & Trigga Reloaded
- Keisha & Trigga Reloaded 2