A book that systematically explains soccer tactics. - Title: The Complete Guide to Soccer Systems - Author: Daiki Iwamasa - Content: Detailed explanations of soccer systems and tactics - Part Structure: Composed of 6 parts - Features: Systems for understanding soccer tactics There are minor creases and folds. This is a book by Mr. Daiki Iwamasa. There are scratches on the surface, but it is relatively clean. Thank you for looking.