This is a problem book specifically for science in junior high school entrance exams, including answers and explanations. - Title: Conquer Junior High School Entrance Exams: Science - Title: Conquer Junior High School Entrance Exams: Science - Title: Conquer Junior High School Entrance Exams: Answers and Explanations: Science Thank you for looking. This was used by my child, so there is a general feeling of use, such as creases. The answers had a name written on the back, so correction tape has been applied. Since a notebook was used, there are no writings, but please forgive any oversights.