貞本義行
A compilation artbook called ".hack//the visions" was included in the February, 2003 issue of "Newtype" published by Kadokawa Shoten. The book contains ".hack//Sign", ".hack//Legend of the Twilight", and the ".hack" games illustrations which were originally shown in different issues of Newtype during 2002. Participating artists included Rei Izumi, Yoshiyuki Sadamoto, Satoshi Ohsawa, and Yuko Iwaoka.