Order of Book Series
0

John McMahon Books in Order

John McMahon has written 5 books, published between 2019 and 2026. The first book is The Good Detective (2019) and the newest is Inside Man (2026). Publication order is the reading order below.

Books
5
Published
2019–2026
Pages on record
1,056 in 3 of 5 books
Reading time
18–26 hours

Reading time is an estimate, not a recorded figure: 1,056 pages at 300 words a page, read at 200–300 words a minute, covering the 3 of 5 titles with a page count on record.

See all 5 books in order Printable John McMahon checklist

Georgia is where John McMahon sets his police procedurals, with Detective P.T. Marsh working murder, arson and the legacy of lynching. The Good Detective (2019) opens the series, followed by The Evil Men Do and A Good Kill. Head Cases (2025) starts a second sequence around a federal Patterns and Recognition unit, continued in Inside Man. Five books make up the catalogue, at a median of 352 pages.

How many John McMahon books are there?

John McMahon has 5 books, released between 2019 and 2026. They include 2 separate series.

John McMahon Books in Publication Order

The table lists all 5 John McMahon books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.

  1. Cover of The Good Detective by John McMahon, book 1 of the Detective P. T. Marsh series (2019)
  2. Cover of The Evil Men Do by John McMahon, book 2 of the Detective P. T. Marsh series (2020)
  3. Cover of A Good Kill by John McMahon, book 3 of the Detective P. T. Marsh series (2021)
  1. 1
    The Good DetectiveDetective P. T. Marsh #12019 · 320 pages · confirmed 2/4
    2019320
    Buy at Amazon USAmazon UK
  2. 2
    The Evil Men DoDetective P. T. Marsh #22020 · confirmed 2/4
    2020–
    Buy at Amazon USAmazon UK
  3. 3
    A Good KillDetective P. T. Marsh #32021 · 384 pages · confirmed 2/4
    2021384
    Buy at Amazon USAmazon UK
  4. 4
    Head CasesHead Cases (PAR Unit) #12025 · 352 pages · confirmed 2/4
    2025352
    Buy at Amazon USAmazon UK
  5. 5
    Inside ManHead Cases (PAR Unit) #22026 · confirmed 2/4
    2026–
    Buy at Amazon USAmazon UK

John McMahon books grouped by series

Each title below is a row in the publication-order table above. None of these groups has a reading-order page of its own on this site.

Detective P. T. Marsh in order

3 books
  1. 1. The Good Detective
  2. 2. The Evil Men Do
  3. 3. A Good Kill

Head Cases (PAR Unit) in order

2 books
  1. 1. Head Cases
  2. 2. Inside Man

Do you have to read John McMahon books in order?

You only need to read John McMahon books in order within each series: the books listed here span 2 separate series, and each series has its own publication order.

Where to start with John McMahon

Start with The Good Detective (2019), the earliest published title.

What is the newest John McMahon book?

Inside Man (2026) is the newest John McMahon book released so far.

Is there a new John McMahon book coming?

No next John McMahon book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.

John McMahon at a glance

Still publishing
John McMahon published a book as recently as 2026.
Release pace
John McMahon books have appeared about one every 2 years on average.
Length
1,056 pages across the 3 of 5 books with a recorded length, a median of 352 pages each.
Busiest decade
Most John McMahon books, 4 of 5, were published in the 2020s.

What the John McMahon books are about

3 of the 5 John McMahon books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: american literature is tagged on 2 of 3. The subjects are cataloguers’ headings, not a plot summary.