D.Gray-man Official Fan Book - Gray Log

The D.Gray-man Official Fan Book -Gray Log- (Gray's Memory)- (D.Gray-man公式ファンブック灰色ノ記録, D. Gurē - man kōshiki fan bukku haiiro no kiroku) is a series compilation booklet, with informations and art on more than 80 character of D.Gray-man compiled by Katsura Hoshino and printed August 4 2017.

it contains information such as detailed character profiles, fan art, and interviews with Katsura Hoshino, as well as a special extra - a copy of the one-shot, Continue.

Schedule
It was originally scheduled for september 2 2016 but it was postponed for unknown reasons. Later Scheduled for April 4 2017, but changed to March 3 2017. March 1st announced another delay, with the new release date set for August 4th, 2017.

The confirmation of the release was given on july 14 along with the release of chapter 225. The cover illustrated by Katsura Hoshino was revealed as well.

Contents
,Black Order Log Super behind the scenes LOG ,Column “Heart”, Actual State of Compatible Persons, Report, Clown X Clown Show
 * Character’s Log I: Exorcists, Order’s Log
 * Character’s Log II :Persons related to the Black Order, Noah’s Log, Noah Clan Investigation Record,

Hoshino Katsura-sensei tells! „D.Gray-man”  Inside story only here Hoshino Katsura x Murase Ayumu [Allen Walker] x Aoyama Yutaka [Millenium Earl] crosstalk Monochrome Gallery Hoshino-sensei’s selection! Cover illustration recommendation 206.5th Night extra release “In a new light” Extra release “Evil Eye Wisely” “The Secret of the Manga! 2nd Season” (Data collection and Manga: Hijihara Erubo) D-Gallery One-shot “Continue” Creation,  Inside Story! One-shot “Continue”
 * Characters’s Log III: Noah Clan
 * Hoshino's Log:

Special 2 Gray Log Special Stickers Hoshino-sensei  transforms the illustrations she gave to the voice actors, who tried hard at the after recordings, into stickers