Ever since the first youngster in history had a pet, cats vs. dogs has been a hotly debated issue at recesses and lunch tables worldwide. Which one's better? Smarter?

"Learn all about what hedgehogs are, where they live, what they eat, and other cool facts about these spiky animals"--

"Are these strange animals the stuff of nightmares or aliens from outer space? Turns out, they're real undersea animals! Find out how deep-sea creatures use bizarre and fascinating adaptations to survive in their harsh environments in this Level 3 Reader."--

Learn all about George Washington, one of the most important figures in American history, in this colorful, inviting, and entertaining biography. This carefully leveled reader is written in an easy-to-grasp style to encourage the historians of tomorrow!

Introduces the traditions associated with Halloween, from visiting pumpkin patches and bobbing for apples to picking out costumes and trick-or-treating.

Introduces sperm whales, including their different body parts, how they travel in groups, what they eat, and how they care for their young.

"Learn all about the world of these massive, majestic mammals in this level 1 hippos reader"--

"Kids love bears and in this book they'll be introduced to them all: Grizzly, polar, sun, sloth, black, and brown. Great full-color photos reveal details about how and where they live. Perfect for beginning and young readers, National Geographic Pre-readers include simple, expertvetted text and large, engaging photos on every page. A vocabular tree at the beginning of the book introduces key words in concept groups, helping kids make connections between...

"Slither, glide, creep, and crawl into the amazing world of reptiles! Meet lizards, alligators, turtles, snakes, and more in this engaging Co-reader." -- Amazon.com. "Learn about different types of reptiles and what they have in common."--

Provides information about red pandas, including their diet, life cycle, physical characteristics, behaviors, and habitat.