Series starting with K
- Kate Hamblin Mystery
- Kate Marshall
- Kate McKinnon
- Kate Shugak
- Kate Waters
- Katherine Forrester Vigneras
- Katherine "Kitty" Katt
- Kathleen Mallory
- Kathleen Turner
- Kathy Mallory
- Katie Kazoo, Switcheroo
- Katie Maguire
- Katie Nash
- Katie the Catsitter
- Katie Weldon
- Kat, Incorrigible
- Katsuo, l'arme humaine
- Katy Duck
- Katy Keene
- Katy Steele Adventures
- Kavyarohan: Aarohan Poetry Journey...
- Kay Bishop
- Kay Harker
- Kayıp Gül
- Kay Scarpetta
- Kazan and Baree
- Ka-Zar The Savage
- K.C. Flanagan, Girl Detective
- Keeper of the Lost Cities
- Keeper of the Lost Cities Graphic Novels
- Keepers of the Earth
- Keeping Time: Readings in Jazz History
- Keeping Up With Adeola
- Keeping Up with the Cavendishes
- Keeping What's Mine
- Keep It Simple Y'all
- Keep Me
- Keep the Faith
- Keera Duggan
- Kefahuchi Tract
- Keiko
- Kelling & Bittersohn
- Kelly Courter
- Keluarga
- Kelvin of Rud
- Kelvren's Saga
- Kencyrath
- Kendra Michaels
- Ken Holt
- Kennerin Saga
- Kenneth Johnson's V
- Kent Family Chronicles
- Kent Montana
- Kentucky Voices
- Ken Ward Series
- Kenya
- Kenyatta
- Kenzie & Gennaro
- Kept
- Kernel
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