Cover has scratches and folds. Inside is clean. A set of two picture books for elementary school students on the theme of environmental issues. - Title: Survival of Hazardous Substances - Title: Survival of Garbage Island - Publisher: Kyoiku Gagaku - Series Name: Survival Series - Contents: Picture books on the themes of environmental issues and science - Target age: Elementary school students - Illustrations: Colorful and attractive illustrations Thank you for viewing.