Doraemon Study Series: Arithmetic - Fun Strategies - Set of 4 Books Useful for preparation and review. May be good for the basics in preparation for junior high school entrance exams and junior high school admissions. These are books to read and learn while having fun. ① Understanding Fraction Multiplication and Division Kiyoshi Nagashima Price: 836 yen ② Understanding Figures Mr. Kobayashi, Vice Principal, Chiba University Elementary School Fujiko Pro Price: 836 yen ③ Being Able to Calculate Quickly Supervised by Nichinoken Fujiko F. Fujio Price: ￥836 ④ Continued: Understanding Word Problems Mr. Kobayashi, Vice Principal, Chiba University Elementary School Fujiko F. Fujio Price: ￥836 All books have covers. Please check the photos for more details. There is some soiling and damage to the upper corners. No noticeable stains, tears, or writing were found during inspection. Please forgive any oversights. They are not perfect. Please understand that there may be changes such as damage to the covers due to storage and aging. This is a Doraemon study manga series that is useful for junior high school entrance exams. It's a series that always appears in the manga that University of Tokyo students read when they were children. Indeed, it is packed with knowledge that is useful even for adults. Children enjoy reading and studying. These are used items stored at home, so please consider them if you understand. Please refrain from purchasing if you are sensitive to such things.