The Kane Chronicles Survival Guide

For Magnus Chase: Hotel Valhalla Guide to the Norse Worlds (An Official Rick Riordan Companion Book): Your Introduction to Deities, Mythical Beings, & ... (Magnus Chase and the Gods of Asgard)

The Demigod Diaries (The Heroes of Olympus)

The Demigod Files (A Percy Jackson and the Olympians Guide)

From Percy Jackson: Camp Half-Blood Confidential (An Official Rick Riordan Companion Book): Your Real Guide to the Demigod Training Camp (Trials of Apollo)

Demigods & Magicians: Percy and Annabeth Meet the Kanes

The Red Pyramid: The Graphic Novel (Kane Chronicles)

Demigods and Monsters: Your Favorite Authors on Rick Riordan's Percy Jackson and the Olympians Series

The Trials of Apollo Book Three The Burning Maze

The Kane Chronicles: The Complete Series