Revised edition of a science textbook for elementary school grades 3-6. - Title: Understanding Science - Target Grade Level: Elementary Grades 3-6 - Price: ¥2,700 + tax - Revised Edition - Original Publication Date: January 27, 2012 - Revised Publication Date: January 18, 2020 No writing inside (please forgive any oversight). The obi (sleeve) has a large fold, but other than that, it's in relatively good condition.