 A magazine-sized 39-page book called "pre-Clannad" was published by SoftBank Creative on April 15, 2004.The book contained images from the visual novel, and short explanations of the characters, along with production sketches and concept drawings.A 160-page visual fan book was published by Enterbrain on October 12, 2004 which contained detailed story explanations, computer graphics, sheet music for the opening and ending themes, and interviews from the creators.