Test question collection and answer key/explanation book for 4th graders, covering social studies, math, science, and Japanese language. Dated May 2025. While I've tried my best to erase pencil marks, there are some sections in the Japanese language section with color marker. There is some slight soiling on the cover. - Grade Level: 4th Grade - Subject: Social Studies - Subject: Math - Subject: Science - Subject: Japanese Language - Explanation Book: Answers and Explanations - Publisher: SAPIX Thank you for looking.