Describes many different kinds, uses, and benefits of pulleys.

Desribes the anatomy, behavior, and life cycle of land and sea turtles.

The true story about a baby hippo and a tortoise who become friends after a natural disaster.

From the European eel that can migrate far distances simply from memory to chimpanzees who can learn sign language, "Far Out!" is packed with interesting facts about animals that can do amazing and human-like things.

Dinosaurs aren't the only animals that roamed the earth during the prehistoric era. There was the Archelon, the largest turtle ever, measuring over 13 feet, and the Argentavis, the largest bird ever recorded, weighing in at over 140 pounds! Packed with facts about humongous animals from this time period.

"One of the easiest ways to tell what animal group a bug belongs in is to count its legs. However, there are many other interesting bug body parts that give clues as to what kind of living thing it is. Readers learn all about insects and arachnids in a fun format in which they're shown a close-up photograph and given a few facts about the pictured creature. The answer is revealed on the following pages. Wings, legs, mouths, and exoskeletons are shown...

Enjoy the adventures of zoologists Chris and Martin Kratt as they travel to animal habitats around the globe. Boys and girls ages four to six can learn all about cats--from ferocious big cats like lions and tigers that live in the wild to adorable house cats.