Aside from the canon manga volumes, the Blue Exorcist universe also spans across several other books that enrich the story and the characters. These publications contain content ranging from descriptive character traits to side stories not included within the manga. A number of the publications are also resultant from the anime, featuring artwork and behind-the-scenes anecdotes from the animators.
This is a list of official publications that have been released alongside the manga to provide further context to the Blue Exorcist story and universe.
COLOR ARCHIVE 〜ANIMATION & COMIC VISUAL GUIDEBOOK〜 released 2011.04.15
Pocket Art Gallery Color Collection ポケット画廊 カラーコレクション released 2011.10.04
COLOR BIBLE released 2011.11.12
Ao no Exorcist The Movie Official Visual Guide FESTA! 青の祓魔師 劇場版 公式ビジュアルガイド FESTA! released 2012.12.21
Knights of the True Cross Guide 正十字騎士團ガイド released 2014.02.04