This book teaches the basics of youth baseball in a fun manga format. My child wasn't very interested in baseball and didn't get a chance to use it, so it's unread and I don't think there are any markings or stains. - Title: Manga de Tanoshiku Wakaru! Shonen Yakyu (Fun to Understand! Youth Baseball in Manga) - Publisher: Seitosha - Price: 1200 yen - Contents: Introduces the training methods of 6 professional baseball players Shipping method may be changed to Rakuraku Mercari Bin. Thank you for looking.