This is a set of the Yosyu Series 5th Grade Upper Science textbook and answer/explanation book. - Series: Yosyu Series - Grade: 5th Grade - Subject: Science - Explanation: With answers and explanations - Publisher: Yotsuya Otsuka The answer sheets have been removed and are not included. There is an "OK" written in the upper left corner of the key point check page. Other than that, the condition is not bad. (I apologize if I missed anything. It's not completely unused as I've worked through it once.) There are check marks indicating completed work in the answers as well. Please check the photos. #JuniorHighSchoolEntranceExam #AdvancedStudy #Workbook #Textbook