"Gekokujo Arithmetic Basic Edition Strategy Guide: Junior High School Entrance Exam Textbook Stage 1" Shinichi Sakurai / Mabuchi Classroom Price: ¥1200 #ShinichiSakurai #MabuchiClassroom #Book #Nature/Mathematics I purchased this in like-new condition here last year, but I didn't use it. The contents are in beautiful condition, with no writing, stains, or scratches, I believe. I apologize if I missed anything, but please understand.