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 is some minor scuffing on the covers, but they should be perfectly usable. There are no markings inside. They should be helpful for high school entrance exams. There is a large scratch on the obi (sleeve) in photo 6, but this should not affect usability. All books come with red sheets.