Once upon a Mastodon: All About Prehistoric Mammals (The Cat in the Hat's Learning Library)

Out of Sight Till Tonight!: All About Nocturnal Animals (Cat in the Hat's Learning Library)

Oh, the Things They Invented!: All About Great Inventors (Cat in the Hat's Learning Library)

High? Low? Where Did It Go?: All About Animal Camouflage (Cat in the Hat's Learning Library)

Miles and Miles of Reptiles: All About Reptiles (Cat in the Hat's Learning Library)

Safari, So Good!: All About African Wildlife (Cat in the Hat's Learning Library)

Would You Rather Be a Pollywog: All About Pond Life (Cat in the Hat's Learning Library)

Ice Is Nice!: All About the North and South Poles (Cat in the Hat's Learning Library)

What Cat Is That?: All About Cats (Cat in the Hat's Learning Library)

Fine Feathered Friends: All About Birds (Cat in the Hat's Learning Library)

Is a Camel a Mammal? (Cat in the Hat's Learning Library)