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John McMahon
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John McMahon is an acclaimed crime writer whose debut novel, The Good Detective, was named a New York Times Top Ten Crime Novel of 2019 and shortlisted for the Edgar Award. His P.T. Marsh series continued that success, and his newer Head Cases series debuted as a USA Today bestseller in 2025. He lives in Southern California, balancing writing with a career in advertising.
Bibliography
New & Upcoming Releases
Series
P.T. Marsh
This series is for you if you're into...
- Detectives under suspicion in their own investigations
- Small-town Southern mysteries steeped in buried history
- Grief-stricken cops chasing corruption inside the department
Head Cases (PAR Unit)
This series is for you if you're into...
- FBI misfit teams of eccentric geniuses
- Serial killer riddles aimed at investigators
- Puzzle-first cases with clues linking separate crimes
FANS OF
John McMahon
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