Problem sets for junior high school Japanese, math, and social studies, designed to enhance critical thinking skills. - Title: Junior High School Japanese Problem Set - Title: Junior High School Math Problem Set - Title: Junior High School Social Studies Problem Set - Publisher: Gakken - Publisher: Gakken - Publisher: Gakken Thank you for viewing. I believe there are no markings, but there may be oversights. The social studies obi (band) is missing. Please be aware of the above points before purchasing.