THE☆ロカビリー! 9の買取情報

It looks like you're referencing a Japanese book titled "THE☆ロカビリー! 9" with the ISBN 9784401657179, published by Shinko Music. This book is likely part of a series focused on rockabilly music, a genre that combines elements of rock and roll and hillbilly (country) music, which originated in the 1950s.
If you have any specific questions about the content of the book, its themes, or if you're looking for related information, feel free to ask!