This book explains in a very easy-to-understand way what a scab is and what its role is. - Title: Mr. Scab - Author: Genichiro Yagyu Science Friend Masterpiece Collection - Publisher: Fukuinkan Shoten - ISBN: 978-4-8340-1640-6 Thank you for looking. The cover is a little faded, but the inside is clean. Thank you very much.