"Turning Weakness into Strength in Geometry Problems: Grades 3-6" Shukyo Shuppan Editorial Department Price: ¥900 #ShukyoShuppanEditorialDepartment #book #society/education_and_learning I used to copy from it, so there are no markings. It was lying down on the bookshelf, so it's warped. If you don't mind, please consider it.