The Demigod Files
The Ultimate Guide

Hardcover: 156 pages

Hyperion/Disney, Published January 18, 2010

ISBN-10: 1423121716

A handbook no half-blood should be without: a fully illustrated, in-depth guide to gods, monsters, and all things Percy. This companion to the series comes complete with trading cards, full-color diagrams, and maps, all packaged in a handy manual with a crisp, magnetic flap enclosure.