Dogs (Smithsonian Handbooks)
Smithsonian Handbooks: Horses
Smithsonian Handbooks: Reptiles and Amphibians
Dinosaurs and Other Prehistoric Animals (Smithsonian Handbooks)
Smithsonian Handbooks: Mammals
Smithsonian Handbooks: Insects (Smithsonian Handbooks)
Smithsonian Handbooks: Butterflies & Moths
Smithsonian Handbooks: Birds of North America - Eastern Region
Whales, Dolphins and Porpoises
Smithsonian Handbooks: Stars and Planets (Smithsonian Handbooks)