This is a set of the Yosyu Series 4th Grade Upper Science textbook and answer/explanation book. - Series: Yosyu Series - Grade: 4th Grade Upper - Subject: Science - Explanation: With answers and explanations - Publisher: Yotsuya Otsuka The answer sheets have been removed and are not included. There are writings on the table of contents, key point check pages, and answers. Please see the images. Other than that, the condition is not bad. It is a well-organized text as a textbook, so I think there is no problem using it as a reference book. #JuniorHighSchoolEntranceExam #AdvancedStudy #Workbook #Textbook