This is a set of 4 books from the "Doraemon's Study Series: Fun Strategies" (Shogakukan). Recommended for elementary school children's home study and for building a foundation for junior high school entrance exams. You can learn enjoyably through the manga format. Set Contents: Fun Strategies for Arithmetic: Understanding Word Problems (Crane-Turtle Problems, Planting Problems, Traveler Problems, etc.) Fun Strategies for Japanese: Understanding Kanji for the First Time Fun Strategies for Social Studies: Understanding Japanese History Fun Strategies for Science: Understanding Biology (Plants, Insects, Animals) Please purchase only if you understand that these are used items. Each volume has been cleaned with alcohol. #Doraemon #StudySeries #FunStrategies #StudyManga #ReferenceBook #ElementarySchoolStudent #JuniorHighSchoolEntranceExam #Arithmetic #Japanese #Science #SocialStudies #Bundle #Shogakukan