John McMahon author biography, plus links to books by John McMahon.

John McMahon

The New York Times called John McMahon's debut novel, The Good Detective "pretty much perfect" and listed it among their "Top Ten Crime Novels of 2019." The book was a finalist for the 2020 Edgar Award and the ITW Thriller Award, both for Best First Novel. Head Cases is his fourth novel. John currently lives in Southern California with his wife, two kids and a rescue dog. He splits his time between crime writing and his day job in advertising.

This biography was last updated on 01/28/2025.

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