Percy Jackson and the Sword of Hades by Rick Riordan

The goddess Persephone has summoned Percy, Thalia, and …

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Percy Jackson and the Sword of Hades by Rick Riordan

Notes: Item in good condition.

Percy Jackson and the Sword of Hades; Horrible Histories - Groovy Greeks - GOOD

Hades, Riordan Wiki

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The 'Nico di Angelo' book could expand the Percy Jackson universe

Percy Jackson and the Olympians – Rick Riordan – Owlish Books & Movies

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Percy Jackson's Greek Gods by Rick Riordan - Audiobook