Why Do Animals...: Why Do Animals Go There?
Animal Behaviors: Social Lives of Gorillas
Why Do Animals...: Why Do Animals Sound Like That?
World's Weirdest Animals: Echidnas
Super Species Set 2: Saltwater Crocodiles
Super Species Set 2: Beluga Sturgeons
A Day in an Ecosystem: 24 Hours in a Lake
Keystone Species that Live in the Sea and Along the Coastline
Keystone Species that Live in Forests
Animal Evolution: The Evolution of Insects
Animal Evolution: The Evolution of Fish
Real Monsters: Giant Squid: Mysterious Monster of the Deep
Animales comunes (Everyday Animals): Ardillas (Squirrels)
Science Q & A: The Animal Kingdom
Surprising Science Experiments: A Kid's Book of Experiments with Animals