"Average Speed to Turn Weaknesses into Strengths, Grades 5 & 6" Shukyo Shuppan Editorial Department Price: ¥900 #ShukyoShuppanEditorialDepartment #Book #Society/Education/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.