Contains photographs and brief descriptions of some of the unusual animals people keep as pets, including a mini hedgehog, chinchilla, potbellied pig, and others.
Simple text and color photos present several pairs of living things that work together to survive, including the clown fish and sea anemone, pitcher plant and tree frog, and others.
Describes animals who sleep during the day and several who sleep at night, from sloths to skunks to bats, and includes "extreme" facts and color photos.
Contains photographs and brief descriptions of some of the world's biggest animal species, including the blue whale, goliath beetle, crocodile, and others.