Best Free Mystery Books
★ 4.0+ Rating10 highly-rated free mystery ebooks
Sorted by Goodreads rating. Only books with 4+ stars. Updated January 2026.
★5.0
The Australian Shepherd Scheme: or The American Shepherd Scheme (The Mysteries of Just Another John Smith Book 2)
Simon Drayton
FREE$0.99
Verified 4d ago
★4.4
Allegiance (Benson First Responders Book 1)
Lisa Phillips
FREE$3.99
Verified 3d ago
★4.4
Eradicate: An Action-Adventure Thriller Series (The Custodian Book 1)
Jarrett Mazza
FREE$14.99
Verified 4d ago
★4.4
Other People's Money (The Madeline Dawkins Mystery Series Book 7)
Cynthia Hamilton
FREE$14.95
Unverified
★4.4
39: Your Last Birthday (A Red Dirt Road Novel)
Timothy Gene Sojka
FREE$5.99
Unverified
★4.3
Game of Chance: Con Law Trilogy
Kobrinica Press
FREE$2.99
Unverified
★4.3
Jenny's Hope: A Chase McGraw Novel (The Chase McGraw Series Book 2)
Major Mitchell
FREE$3.99
Unverified
★4.3
Eat, Pray, Hex (Crescent Moon Mysteries Book 1)
Tara Lush
FREE$3.99
Unverified
★4.2
Hit and Run (DCI Alice Candy Book 2)
B. A. Spicer
FREE$2.99
Verified 5d ago
★4.1
Sherlock Academy
F.C. Shaw
FREE$4.99
Verified 5d ago