"Shogaku Jiyu Jizai: Kenku Naru Crossword - Naze? Ni Kotaeru (Elementary School Free as You Like: Become Smart Crosswords - Answering Why?) - Advanced: Understanding What You Wonder About Instantly and Learning Enjoyably" Keisuke Fukaya Price: ¥950 #KeisukeFukaya #Keisuke_Fukaya #Book #Society/Education/Learning About 2 pages have been erased with an eraser. Please check the photos. Otherwise, it seems relatively clean. How about it?