50 Simple Things Kids Can Do To Save The Earth by The EarthWorks Group, 1990 paperback edition. In good pre-owned condition with light wear to cover and spine as shown in photos. Measures 8.1 in long x 5.12 in wide x 0.12 in thick and weighs 0.445 lbs. Ideal for children, classroom use, or as a gift for young eco-minded readers.