Book excerpt: Jam packed with cool games, activities, and Earth-Saver tips that teach environmentalism and conservation! Young readers will join Green Brainiacs everywhere as they learn how to take better care of our home planet. Printed with soy ink on 30% recycled content paper. Includes pen made from recycled materials. 6-3/4? wide x 8-1/4? high. Ages 8 to 12.