- K'Barthan Box Set
- K*ss Happens
- Ka'ani - Boten des Todes
- Kaartenhuis
- Kaavl Conspiracy
- Kade's Dark Embrace (Immortals of New Orleans, Book 1)
- Kaden
- Kaden's Saviors [Blue Rock Clan 3]
- Kadin
- Kaheesh
- Kahn's Haven
- Kahtar Warrior of the Ages
- Kai
- Kaiden
- Kaitlyn Jones, Surviving Death
- Kaito's Silence
- Kalbe Meydan Okuma
- Kaleb
- Kaleidoscope
- Kalen: Warlord Brides
- Kali Willows Box Set
- Kalina Theus and the Death Vision
- Kalissa Alexander's Special Collection, Volume 1 [Box Set 63]
- Kallie's Secret
- Kalliopée, tome 1 : Le sacrifice d'une princesse
- Kaltes Grauen (Patricia Vanhelsing)
- Kamali's Courage [Sisters of the Circle]
- Kaminishi
- Kampf der Ehre (Band 4 im Ring der Zauberei)
- Kampf um ihre Partnerin
- Kanaan & Tilney: The Case of the Undead Wood
- Kanaan and Tilney: The Case of the Man Eater
- Kanan
- Kandi
- Kandy Apple and Her Hellhounds
- Kane's Bounty
- Kane's Mate Armageddon Mates Book 1
- Kane: I Am Alpha
- Kantu's Heart (Western Escape series)
- Kapinalliset
- Kappa Companion
- Kappa Companion
- Kara
- Kara's Dirty Dreams
- Kara's Halloween Dreams
- Kareem Punishes Me - A Sexy Alpha Male Bondage and Blindfolds Short Story from Steam Books
- Kareem, My Master - A Kinky BDSM Bisexual Threesome FFM Menage Bondage Short Story from Steam Books
- Karina
- Karl Leaves Limbo To Find Love
- Karley's Surrender
- Karli's Resolve
- Karma (Metatron's Army Chronicles, Book 1)
- Karma Café Boxed Set
- Karma in Blue Jeans
- Karma's Brutality
- Karmic Love
- Karmic Retribution
- Karmic Vendetta
- Karolina Dalca, Dark Eyes
- Karpatenfürst
- Kassandra's Wolf
- Kat On A Hot Tin Roof
- Kat Tales — Original Stories and Tales — Number 9 — November 2020
- Kat Tales - Number Five - July 2020
- Kat Tales - Original Stories and Novels - Number Four - June 2020
- Kat Tales - Original Stories and Novels - Number One - March 2020
- Kat Tales - Original Stories and Novels - Number Six - August 2020
- Kat Tales — Number 15 — May 2021 — Original Stories and Novels
- Kat Tales — Number 16 — June 2021
- Kat Tales — Original Stories and Novels — Number 10 — December 2020
- Kat Tales — Original Stories and Tales — Number Seven — September 2020
- Kat Tales — Volume 12 —Original Stories and Novels — February 2021
- Kat Tales — Volume 13—March 2021 —Original Stories and Novels
- Kat Tales — Volume 14 - Original Stories and Novels
- Kat Tales — Volume 17 — July 2021
- Kat's Dog
- Katakomben
- Katarina and the Bird (Book Three)
- Kate and Clara's Curious Cornish Craft Shop
- Kate Aylesford: A Story of the Refugees
- Katharine Frensham: A Novel
- Kathedrale
- Katie and the Ghost
- Katie's Hellion
- Katie's Hellion (Rhyn Trilogy, Book One)
- Katie's Hope (Rhyn Trilogy, Book Two)
- Katie's Konundrum
- Katie's Kourt
- Katieran Prime
- Katie’s Mates [Novikov Clan 2]
- Katrina's Destiny
- Katt Amongst the Wolves
- Katya
- Katya and the Solar Wind (Life After Earth Series Volume One)
- KATZENDÄMMERUNG
- Kayden: The Zuleikas book 1
- Kayla Marchal (Tome 1) - L'exil
- Kayla Marchal (Tome 3) - La Source
- Kayla's Hunter
- Kayleb
- Kazuchiyo: The Breaking of the Siege
- Kazzon's Human Bride
- Keaton's Lessons [Brac Village 6]
- Kedor's Match
- Keduan - Planet der Drachen
- Keegan's Chronicles Spinoffs
- Keeley's Opposition [Terra-form 3]
- Keen
- Keenan
- Keene (Diamonds Are Forever 2)
- Keep
- Keep Holding On
- Keep Me Close
- Keep Me Safe (A Seal Island novel)
- Keep Quiet Kaye
- Keep You from Harm
- Keeper
- Keeper of Destinies
- Keeper of her Love
- Keeper of His Soul
- Keeper of Lost Souls