Did you know that the cheetah is the fastest animal that lives on land? A cheetah's tail helps it make quick turns. Learn these and other interesting facts in “A Cheetah's World”.

Giraffes are the tallest animals on land. They can grow to be 18 feet (5.5 meters) tall and weigh as much as 2,800 pounds (1,270 kilograms). Find out more in Giraffe, one of the titles in the Animals of Africa series.

Did you know that kangaroos belong to a group called marsupials? Kangaroo mothers keep their babies safe inside their pouches. Learn these and other interesting facts in “A Kangaroo's World”.

Did you know that polar bears spend more time underwater than any other bear? Polar bears live in the Arctic where it is very cold. Learn these and other interesting facts in “A Polar Bear's World”.

Did you know that giraffes are the tallest animals that live on land? A group of giraffes is called a tower. Learn these and other interesting facts in All About Giraffes.

What is a baby robin called? How many eggs does a robin lay? Young readers will discover the answers to these questions and more in Robins,an Exploring Life Cycles book.

Rhinos love to roll in the mud. The mud cools the rhinos down when the weather is hot and stops them from being bitten by bugs. Find out more in Rhino, one of the titles in the Animals of Africa series.

Mambas are venomous snakes found in Africa. There are four different species of mamba. Find out more in Mambas, one of the titles in The World of Snakes.

Did you know that rattlesnakes shed their skin three or four times each year? A rattlesnake's rattle gets bigger every time it sheds its skin. Learn these and other interesting facts in “A Rattlesnake's World”.

Leopards are powerful animals. Using their strength, they can run 36 miles (58 kilometers) per hour. Find out more in Leopard, one of the titles in the Animals of Africa series.