Let's Find Out! Biomes: What Are Tropical Rainforests?
Super Species Set 2: African Elephants
Animal Evolution: The Evolution of Reptiles
Super Species Set 2: Goliath Frogs
Animal Evolution: The Evolution of Mammals
Super Species Set 2: Saltwater Crocodiles
Super Species Set 2: Siberian Tigers
Let's Find Out! Biomes: What Is the Taiga?
Super Species Set 2: Mola Ocean Sunfish
Let's Find Out! Biomes: What Are Temperate Deciduous Forests?
Animal Evolution: The Evolution of Insects
How Animals Adapt to Survive: Swimming with Fins and Flippers
Endangered Species: A Reference Handbook
Thinking Critically: Animal Rights
Inside Animals: Whales and Other Mammals
Inside Animals: Crocodiles and Other Reptiles