Because the book is long out of print, prices on the secondary market have surged significantly from its original ¥2,800 (~$25 USD) retail price.
I was unable to locate a verified or widely known document titled in public or academic databases. It’s possible this refers to: Akira Animation Archives Pdf 31
The phrase "" typically refers to a specific, widely-circulated digital version of the 2002 Japanese art book Akira Animation Archives Because the book is long out of print,
: Storyboards and keyframe breakdowns for high-speed chases and the apocalyptic psychic explosions. Akira Animation Archives Pdf 31