It's a battle between two fearsome, fanged beasts! Today, the Siberian tiger holds the record as the world's biggest cat. But in prehistoric times, the saber-tooth cat held that title as it… More →

Sidewinders are known for their body movements. They slither sideways across the sand! Through leveled text and crisp photographs, this low-level title introduces readers to the body parts,… More →

Striped body waddles … Lifted tail sprays … Meet the skunk! Brimming with vivid photos and scientific facts, this middle-grade nonfiction book treats researchers and wild animal lovers to a… More →

In a battle to survive, sometimes an animal's best defense is to gross out the enemy. From poop and slime to puke and gas, these slimy and smelly animal adaptations allow some disgusting… More →

In Slimy Animals, readers will learn about slimy animals, including snails and slugs, slime eels, and… A comprehensive Why Are Some Animals Slimy? back matter feature highlights differen More →

Long claws cling ... Sleepy eyes stare ... Meet the sloth! Brimming with vivid photos and scientific facts, this middle-grade nonfiction book treats researchers and wild animal lovers to a… More →

Sloths--the slowest mammals in the world. Developing readers learn about these slowpokes that hang around in this low-level search-and-find beginning reader. Sloths are known for being slow,… More →

What's slower than a sloth? Could you beat a tortoise in a race? What's the slowest swimmer? In Slowest Animals, beginning readers are introduced to the slowest animals across a variety of… More →

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What reptile fits on your fingertip? What animal might you need a microscope to see? In Smallest Animals, beginning readers are introduced to the tiniest animals across a variety of classes… More →