The Irrational World

The Irrational World (デッドマン・ワンダーランド　公式ガイドブック THE IRRATIONAL WORLD) is the official guidebook for the Deadman Wonderland anime series. The guide contains 154 pages and was released July 26, 2010.

Overview
The book consists of detailed explanations and pictures about the setting, powers and characters. It also includes manga-anime comparison, comments from the voice actors and a conversation between the authors and the director.