Heidi Moore

The Story Behind Cotton (True Stories)

By Heidi Moore

The Story Behind Diamonds (True Stories)

By Heidi Moore

Rainforest Food Chains (Protecting Food Chains)

By Heidi Moore

Ocean Food Chains (Protecting Food Chains)

By Heidi Moore

Chimpanzees (Living in the Wild: Primates)

By Heidi Moore

The Story Behind Salt

By Heidi Moore