Two sets of science and social studies question-and-answer books, perfect for high school entrance exam preparation. There are no markings inside (apologies if I missed any). There is a tear on the cover (see photos). It seems they were only purchased and not used. The answer booklet for the social studies book is missing. - Title: Question-and-Answer Collection - Subject: Science - Purpose: High School Entrance Exam Preparation - Publisher: Keibunsha - Features: Explanations and confirmation of basic facts First edition: November 2013 Reprint: 2015 Publisher: Obunsha Price (excluding tax): 780 - Title: Question-and-Answer Collection - Subject: Social Studies - Target Audience: High School Entrance Exams - Training Format: Immediate Preparation First edition: November 2013 Publisher: Obunsha Price (excluding tax): 780 We also accept combined purchases with other books. Regarding shipping, it may be changed to Yu-Pack Mercari.