Price reduced. Textbook set for 4th grade elementary school students (Social Studies and Science). - Title: Social Studies 4th Grade (Volumes 1 & 2) - Title: Science 4th Grade (Volumes 1 & 2) - Publisher: Yotsuya Otsuka - Purchased in 2022 Thank you for looking. The answer sheets have not been detached, but the answers are included. Areas where answers were written have been erased. Some areas have been highlighted with a marker. There are also some notes. Part of the name tag has been peeled off, and some of the paper is scraped. Please refrain from purchasing if you are sensitive to used items.