This problem set covers everything from basic to advanced concepts, making it suitable for a wide range of uses, from preparing for regular tests to entrance exam preparation. There are no markings inside, but there is a slight crease on the back cover (see photo 4). Please understand that this is a used item inspected by an amateur and used by a child before purchasing. - Title: Jiyujizai Problem Set Science Junior High School - Publisher: Shuken Kenkyusha - Target Grade: Junior High School - Contents: Problem set from basic to advanced - Price: 1,705 yen