5 books in series

Earth at Risk

Earth at Risk is a 5-book series with 5 primary works first released in 1991 with contributions by Karen Barss, Rebecca Stefoff, Laura Tangley, Edward Edelson, and Richard Amdur.

The Rainforest

1992 • 135 pages

Clean Water

1991 • 116 pages

Clean Air

1992 • 118 pages

Toxic Materials

1993 • 110 pages

Recycling

1991 • 127 pages