Simple text and photographs present the physical characteristics, behavior, and habitat of a variety of animals living near the North and South Poles, including humpback whales, seals, polar bears, and penguins.

Did you know that a crocodile is usually longer, weighs more, and can outswim alligators? Learn all about these aquatic creatures--everything from where they live, what they eat, and how they survive.

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?