This book is an official book commemorating the 25th anniversary of the TV broadcast of “Cowboy Bebop” and features artwork and interviews with staff from the show. All text is written in Japanese.

It consists of a color booklet and a black-and-white booklet. The three-sided box that holds the two booklets features a design by graphic designer Toshiaki Uesugi (Mach 55), who also created the eye-catchers for the film, etc. The box cover is gold foil stamped and embossed for a luxurious finish, and the back cover features boards signed (via the printing process) by the film's director, Shinichiro Watanabe, producer, Masahiko Minami, character designer, Toshihiro Kawamoto, and producer, Masahiko Minami, Producer: Masahiko Minami, Character Design: Toshihiro Kawamoto, Mechanical Design: Kimitoshi Yamane, Music: Yoko Kanno.

The front and back covers of each booklet feature new illustrations of Spike, Faye, Jet, Ed, and Ein by Toshihiro Kawamoto, character designer. The background design is by Toshiaki Uesugi (Mach55). The black-and-white booklet contains line drawings of the characters and mecha from “Cowboy Bebop” and “COWBOY BEBOP: Heaven's Door,” divided into the number of episodes. The color booklet contains character and mechanical setting drawings, art settings, monitor screen settings, illustrations, etc., from both works, as well as storyboards for some of the OP and ED scenes.

In addition, the book includes interviews and dialogues with the film's splendid staff members.

- A dialogues between Director: Shinichiro Watanabe and Producer: Masahiko Minami

- A dialogue between Toshihiro Kawamoto (character design) and Kimitoshi Yamane (mechanical design)

- Interview with Yoko Kanno