Why Do Animals...: Why Do Animals Sleep There?
Why Do Animals...: Why Do Animals Go There?
Let's Find Out! Marine Life: What Are Crustaceans?
Rourke's World Of Science Encyclopedia: Animal Life
Humans and Animals: A Geography of Coexistence
Keystone Species that Live in Grasslands
Keystone Species that Live in Deserts
Science Q & A: The Animal Kingdom
World's Weirdest Animals: Proboscis Monkeys
Endangered Species: A Documentary and Reference Guide
Saving the Endangered Green Sea Turtle
Bioindicator Species: Bees Matter
World's Weirdest Animals: Elephant Shrews
Great Minds of Science Set 2: Jane Goodall: Revolutionary Primatologist and Anthropologist
Bioindicator Species: Monarch Butterflies Matter
Keystone Species that Live in the Sea and Along the Coastline