An instructional book covering the techniques of cube solving. - Title: Crazy Sam's Solve - The Encyclopedia of Cube Solves - Author: Sam Huang - Content: Instructional book on cube solving Thank you for viewing. Please refrain from purchasing if you are overly concerned about condition, as this is a used item. The box is slightly torn, but the contents have not been used. This is a magic product, so no claims or returns will be accepted. The video has Japanese subtitles. Includes a signed card from Ponchi.