Order of Book Series
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Investigator Books in Order

Investigator by Dave Daren contains 4 books, published between 2021 and 2023. The first book is The Investigator (2021) and the newest is The Investigator 4 (2023). Publication order is the reading order below.

Books
4
Published
2021–2023
See all 4 books in order Printable Investigator checklist

Investigator is a 4-book series by Dave Daren published between 2021 and 2023. The entries are numbered rather than named: The Investigator (2021), The Investigator 2 (2022), The Investigator 3 (2022) and The Investigator 4 (2023). No further book has appeared since 2023.

How many Investigator books are there?

Investigator has 4 books, released between 2021 and 2023.

Investigator Books in Publication Order

The table lists all 4 Investigator books in the order they were published, with the release year and how many independent book listings confirm each title. Catalogue data as of September 2026.

  1. 1
    The Investigator2021 · confirmed 2/4
    2021–
    Buy at Amazon USAmazon UK
  2. 2
    The Investigator 22022 · confirmed 2/4
    2022–
    Buy at Amazon USAmazon UK
  3. 3
    The Investigator 32022 · confirmed 2/4
    2022–
    Buy at Amazon USAmazon UK
  4. 4
    The Investigator 42023 · confirmed 2/4
    2023–
    Buy at Amazon USAmazon UK

Is there a chronological order for Investigator?

No separate chronological order is on record for Investigator, because none of the book listings this catalogue draws on publishes one; the publication order above is the only order given.

Do you have to read Investigator books in order?

You should read the Investigator books in publication order, the order of the numbered table above. The catalogue does not record whether each Investigator book also stands alone.

Where to start with Investigator

Start with The Investigator (2021), the earliest published title.

What is the newest Investigator book?

The Investigator 4 (2023) is the newest Investigator book released so far.

Is there a new Investigator book coming?

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

Investigator at a glance

Paused
No new Investigator title has appeared for 3 years. The last was published in 2023.
Release pace
Investigator books have appeared more than one a year on average.
Busiest decade
Most Investigator books, 4 of 4, were published in the 2020s.

More books by Dave Daren

The author page linked below lists every book in publication order.