Thinking Critically: Animal Rights
How Animals Adapt to Survive: Hiding with Colors and Shapes
Inside Animals: Penguins and Other Birds
Great Big Animals: Jumbo Blue Whales
A Look at Life Cycles: Amphibian Life Cycles
A Day in an Ecosystem: 24 Hours in a Lake
How Animals Adapt to Survive: Keeping Warm with Fur and Fat
Inside Animals: Whales and Other Mammals
How Animals Adapt to Survive: Staying Safe with Scales and Scutes
A Look at Life Cycles: Fish Life Cycles
A Look at Life Cycles: Insect Life Cycles
A Look at Life Cycles: Reptile Life Cycles
Career Discovery: Careers If You Like Animals
State Guides: State Guides to Birds
Inside Animals: Frogs and Other Amphibians
Great Big Animals: Superlong Anacondas
A Look at Life Cycles: Bird Life Cycles
Great Big Animals: Colossal Crocodiles
A Day in an Ecosystem: 24 Hours in an Estuary