Yotsuya Otsuka, Four Subjects Summary, Social Studies Price: ¥2200 All color, very easy to read. The text is not filled in. Answer sheets are included, but 6 pages are filled in. Both books have the owner's name written on them. Please check the photos. No smoking & no pets. Junior high school entrance exams, SAPIX, NICHINOKEN, Waseda Academy, Z-kai, Yotsuya Otsuka, Kaisei, Azabu, Tsukukoma, Oin, Jogakukan, Toshimagaoka Girls, Waseda, Keio, reference book, social studies, current events, news, for elementary school students, cram school, textbook, problems