"An Exciting Adventure in the World of Numbers: Fun for Parents and Children!" Susumu Sakurai / Koichiro Fuwa Price: ¥1500 With the obi (sleeve) included, no tears or scribbles, and the inside is pristine and clean. This book sparks interest in numbers, and even for junior high school students and adults, it awakens a desire to know more about "numbers." It's a mysterious book that makes you want to learn, have fun, and be curious. The table of contents is included. The desire to know will take you on a grand adventure with numbers ^_^ #SusumuSakurai #Susumu_Sakurai #KoichiroFuwa #Koichiro_Fuwa #Book #Nature/Mathematics