- K-9 Mystery Series Books 1-2
- Kalendarium des Todes - Mord am Hellweg VI
- Kalkül und Leidenschaft
- Kapuze und Wahrheit: Zwei Krimis
- Karma
- Karma's a Bitch: A Short Story
- Karma's Collection
- Katakura Gennosuke - Indagini e dolcetti
- Katerina Carter Fraud Thrillers
- Keine Tarantel in keinem Bananenkarton
- Kelter Kriminial Report 1
- Kendall and Jamie Crack the Case: A Set of Seven 15-Minute Mysteries
- Kendall and Jamie Crack the Case: Educational Version
- Kendall and Jamie Solve it At School: A Set of Seven 15-Minute Mysteries, Educational Version
- Kentucky Magic 2: Solutions Inc. Short Stories Collection Two
- Kentucky Magic: Solutions, Inc. Short Stories Collection One
- Kesler's Barn
- Kill and Say Goodbye: A Mystery Thriller Short
- Kill Code
- Kill Him Again: Fifteen Variations on a Country House Murder
- Killer Christmas
- Killer Eulogy and Other Stories
- Killer Fiction
- Killer gesucht: 7 Strand Krimis - 1500 Seiten Spannung
- Killer in the Looking Glass
- Killer Stories - 5 Thrillers For The Beach
- Killer zwischen Hamburg und Ostfriesland: Krimi Paket 5 Küstenkrimis
- Killers Guide Box Set
- Killerschweine: 5 Strand Krimis
- Killing Malmon
- Killing Mind
- Killing Time: A Short Story Collection
- Kindred Volume 1
- Kipling Stories and Poems Every Child Should Know, Book II
- Kleiner Tod im Großen Garten
- Kluntjes und Killer: Ostfriesland-Krimi Doppelband
- KNOCK! KNOCK! WHO'S THERE? – 5 Detective Hamilton Cleek Riddles in One Premium Edition
- Kommissar jagt Killer: 7 Strand Krimis
- Kommissar X Trio Band 2 - Drei Romane
- Kommissar X Trio Band 3 - Drei Romane
- Kommissar X Trio Band 4 - Drei Romane
- Krimi Doppelband 2201 – Zwei Krimis
- Krimi Doppelband 2216
- Krimi Doppelband 2216: Trevellian und die mörderische Schwester/Kahlgeschoren
- Krimi Doppelband 2218 - Zwei Krimis