Did you know that parasites live on or inside their source of food? Many parasites can be dangerous to their host. Discover these and other interesting facts in Parasites.

Did you know that many animals live near people? Deer often live on the edges of cities. Discover these and other interesting facts in Backyard Animals. Backyard Animals is part of the new EYEDISCOVER collection of AV2 books.

Did you know that the U.S. Army is older than the country it serves? It has more than 1.3 million active duty members. Discover these and other interesting facts in Army. Army is part of the new EYEDISCOVER collection of AV2 books.

Did you know that koalas only eat leaves from one type of tree? Goats can eat many different plants. Discover these and other interesting facts in “Herbivores”.

Did you know that birds are the only animals with feathers? Many birds use their wings to fly. Discover these and other interesting facts in Birds. Birds is part of the new EYEDISCOVER collection of AV2 books.

Did you know that owls are known for their large eyes? These birds turn their heads almost all the way around to look at things. Discover these and other interesting facts in Owl.

Did you know that a year has four seasons? Summer comes after spring and before fall. Discover these and other interesting facts in Summer.

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 a year has four seasons? Fall comes after summer and before winter. Discover these and other interesting facts in Fall.

Did you know that cows need to be milked twice a day? A cow can run faster than a horse in deep mud. Discover more about these amazing animals in “My Cow”.