Sigma Force is a series of 22 books written by James Rollins. Here, you can see them all in order! (plus the year each book was published)

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Total: 22 books

22 books in this series

## Who is the author of Sigma Force series?

The author is James Rollins.

## How many Sigma Force books are there?

There are 22 books in the Sigma Force series.

## In what order were these books written?

The first book was written in 2004, and the last book was written in 2021 (we also added the publication year of each book right above the "View on Amazon" button).