John McMahon Reading Order
2 series · 5 books
John McMahon is an American writer recognized for his gripping contributions to the crime and thriller genres. He has published five novels across two series, including the Detective P. T. Marsh series and the Head Cases series focused on the PAR Unit. Active from 2019 to 2026, his most notable work is "The Good Detective," which launched his compelling exploration of crime and justice.
Detective P. T. Marsh Series
Likely Complete3 books (2019–2021)
Start with The Good Detective and read in order.
Head Cases (PAR Unit) Series
Ongoing2 books (2025–2026)
Start with Head Cases and read in order.
Frequently Asked Questions
- How many books has John McMahon written?
- John McMahon has written 5 books across 2 series. Their published works span from 2019 to 2026.
- What is the first book in each John McMahon series?
- Here are the first books in John McMahon's series: Detective P. T. Marsh: The Good Detective; Head Cases (PAR Unit): Head Cases.
- What order should I read John McMahon's books?
- We recommend reading John McMahon's series in publication order. Each series can be read independently.
- Is John McMahon still writing new books?
- Yes, John McMahon has 1 ongoing series: Head Cases (PAR Unit).