The X-Files: Origins Books in Order
Below you'll find the complete list of The X-Files: Origins books in publication order. This is generally the recommended reading order for the series.
Reading order verified: January 2026
Publication Order
Devil's Advocate (By: Jonathan Maberry)
Buy on Amazon2017
Agent of Chaos
Buy on Amazon2017
Frequently Asked Questions
The recommended reading order for the The X-Files: Origins series is publication order: 1. Devil's Advocate (By: Jonathan Maberry) (2017), 2. Agent of Chaos (2017). This is generally the best way to experience the story as the author intended.
The The X-Files: Origins series by Kami Garcia contains 2 books. The series began in 2017 and continues to be a popular choice for readers.
The The X-Files: Origins series is written by Kami Garcia. You can find more books and series by this author on our website.
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