Bioindicator Species: Dragonflies Matter
Endangered Species: A Documentary and Reference Guide
Water Planet: The Culture, Politics, Economics, and Sustainability of Water on Earth
Bioindicator Species: Frogs Matter
Bioindicator Species: Bees Matter
Bioindicator Species: Monarch Butterflies Matter
Bioindicator Species: Polar Bears Matter
Great Minds of Science Set 2: Sylvia Earle: Extraordinary Explorer and Marine Biologist
Bioindicator Species: Coral Reefs Matter
Animal Rights: A Documentary and Reference Guide