SeriesStack

Head Cases (PAR Unit) Books in Order

by John McMahonMystery, Thriller & Suspense

2 books so far (book 3 is due August 24, 2027). They run from Head Cases (2025) to Inside Man (2026). Rated 4.4 across 339 listener reviews.

Next Head Cases (PAR Unit) book

The Setup

Book 3 · out August 24, 2027 · preorder now

Kindle Paperback Audiobook

Reading order

  1. Head Cases

    Book 1 2025 4.4 (262)

    Head Cases follows an enigmatic group of FBI agents as they hunt down a murderer seeking his own justice in this electrifying—and commercial—series debut.

    Kindle Paperback Audiobook

  2. Inside Man

    Book 2 2026 4.5 (77)

    In this sequel to McMahon's electrifying series debut, Head Cases, Gardner Camden and the PAR team return to investigate potentially connected cases.

    Kindle Paperback Audiobook

  3. The Setup

    Book 3 Out August 24, 2027

    John McMahon’s electrifying series continues as Gardner Camden and the PAR team investigate the suspicious death of an FBI agent.

    Kindle Paperback Audiobook

About this reading order

Books are listed in the series' own numbering, which for Head Cases (PAR Unit) is also the best order to read them in. Years are first publication where we could confirm it, and otherwise the first audiobook release.

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