John McMahon

John McMahon

John McMahon has written at least 6 books. Their most popular book is The Good Detective with 3 saves with an average rating of -⭐. Their next book, Inside Man, is scheduled for release on .

The Good Detective

#1 of 3 in Detective P. T. Marsh

The Good Detective
ByJohn McMahon

2019 • 3 Readers • 320 pages

A Good Kill

#3 of 3 in Detective P. T. Marsh

A Good Kill
ByJohn McMahon

2021 • 2 Readers • 384 pages • 4

Cover 1

2 Readers • 4

Cover 6

#2 of 3 in Detective P. T. Marsh

The Evil Men Do
ByJohn McMahon

2020 • 1 Reader

Inside Man

Planned book #2 of 2 in PAR Unit

Inside Man
ByJohn McMahon

Available January 13, 2026 • 400 pages