One-question-one-answer format reference books for efficiently studying social studies and science problems for high school entrance exams. - Title: High School Entrance Exams: Memorize with Entrance Exam Questions, One-Question-One-Answer, Social Studies, Revised Edition - Title: High School Entrance Exams: Memorize with Entrance Exam Questions, One-Question-One-Answer, Science, Revised Edition - Price: 880 yen - Publisher: Obunsha - Title: Middle School Social Studies Scores Improve Dramatically with One-Question-One-Answer - Publisher: KADOKAWA - Price: 950 yen These books have been stored with almost no use. There are some minor scuffs on the covers, but they should not affect use at all. There are no markings inside. There is a large scratch on the obi (sleeve) in the sixth photo, but this should also not be a problem. All books come with red sheets.