Did you know that whale sharks can grow longer than school buses? They are the world's largest fish. Discover these and other interesting facts in Whale Shark.

Did you know that mammals are warm-blooded animals? African elephants are the largest land mammals. Discover these and other interesting facts in Mammals. Mammals is part of the new EYEDISCOVER collection of AV2 books.

Did you know that Canada has two main languages? They are English and French. Discover these and other interesting facts in Canada.

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 bison are sometimes called buffalo? They look like another animal with that name. Discover these and other interesting facts in Bison.

Did you know that a male alligator is called a bull? It has a loud roar that can be heard from far away. Learn these and other interesting facts in “All About Alligators”.

Did you know that a year has four seasons? Spring comes after winter and before summer. Discover these and other interesting facts in Spring.

Did you know that skyscrapers are often more than 100 stories tall? These large buildings sway in the wind. Discover these and other interesting facts in Skyscrapers.

Did you know that Venus is the hottest of all the planets? The tallest mountain in the solar system is on Mars. Discover these and more intriguing facts in “Planets”.

Did you know that insects have lived on Earth for millions of years? There are 200 million insects for each human on Earth. Discover these and other interesting facts in Insects. Insects is part of the new EYEDISCOVER collection of AV2 books.