This category is for series written by Rick Riordan himself or written by authors under the Rick Riordan Presents imprint.
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The Senior Year Adventures -
Percy Jackson and the Olympians (TV series) -
The Trials of Apollo -
The Nico di Angelo Adventures -
Storm Runner Trilogy -
Series Interactions -
Paola Santiago series -
Demigods of Olympus
All items (17)
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