Best Free Private Investigator Mystery Kindle Books Today
Updated October 14, 2026
As of October 14, 2026, 3 private investigator mystery books are free on Kindle. Our top pick today is Seeds of Discontent (Althea Johnson Series Book 1) by S. A. Asthana, rated 4.2 by 37 readers.
Free Private Investigator Mystery Books Today
Compare Today's Free Private Investigator Mystery Books
| Title | Author | Rating | Ratings | Series | Steam |
|---|---|---|---|---|---|
| Seeds of Discontent (Althea Johnson Series Book 1) | S. A. Asthana | 4.2★ | 37 | Althea Johnson Series #1 | — |
| KiT! Season One Collection (Books 1-7) | Kira Wren | — | — | KiT! #1-7 | Clean |
| Freelance (Ericka Stone Case Book 1) | Felicia Rogers | — | — | Ericka Stone Case Book #1 | — |
Recently Free Private Investigator Mystery Books
Jill McLeod California Zephyr Series
Janet Dawson
Free on Oct 12
Silent Depths: A Psychic Suspense Thriller with a Romantic Twist (Mind Stalkers Book 1)
Reily Garrett
Free on Oct 12
The Seal of the Lost Heir (The Objects Remember Mysteries Book 8)
K. J. McGillick
Free on Oct 11
Howling Hearth
Jana Sun
Free on Oct 11
What Stays Hidden (Mara Fenn Investigations Book 1)
Patricia Neary
Free on Oct 10
Knee Deep: A gripping story with a breathtaking twist. Cam Derringer Tropical Thriller series, book 1
Mac Fortner
Free on Oct 10
Factor of Safety (A Neil Karst Investigation Book 1)
Wallis Deming
Free on Oct 9
Bionic Bug: A Mystery Novel (The Lara Kingsley Series Book 1)
Natasha Bajema
Free on Oct 9
Under the Rose: An Enemies to Lovers Romantic Suspense Story (Codex Book 2)
Kathryn Nolan
Free on Oct 9
Knee Deep (Cam Derringer Tropical Thriller series Book 1)
Mac Fortner
Free on Oct 9
Brand of Justice Series Collection: Books 1-4
Lisa Phillips
Free on Oct 8
Dead of Autumn (Alexa Williams Book 1)
Sherry Knowlton
Free on Oct 8
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