Hoshino Katsura which features various artworks, such as posters, volume covers, and concept designs.
The illustration book was released initial in Japan on February 4, 2010. It's ISBN is 978-4-08-782264-9 on a A4 format and has 102 pages. The illustration book was also released in North America by it's licensor Viz Media on December 6, 2011. It's ISBN is 142-1-5412-46 which containing the same pages and nothing has added in it.
|Manga Omakes:||Character Profiles • Discussion Room • Komui's Discussion Room • Komui's Discussion Room Special Edition: Noah's Ark • D.Gray-man Investigation Series (?) • Weekly Jump Polls • Character Bedroom Sketches • The People of D.Gray House • Pointless D.Gray Stories|
|Anime Omakes:||D.Gray-Omake Mini Theatre|
|Fanbook Omakes:||Zone (Robin/Julia) • D.Gray-man Official Fan Book Gray Ark • D.Gray-man Illustrations Noche • CharaGray • D.Gray-man Official Fan Book Gray's Memory • D.Gray-man - Artbook - Gray Walker|