Percy Jackson and the Olympians Companion Series

by Rick Riordan

The Percy Jackson and the Olympians Companion series by Rick Riordan consists of 9 books, published between 2009 and 2017. The series begins with The Demigod Files.

Books in Order (9 books)

The Demigod Files(2009)

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Percy Jackson and the Sword of Hades(2009)

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Percy Jackson and the Stolen Chariot(2009)

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Percy Jackson: The Ultimate Guide(2010)

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Percy Jackson's Greek Heroes