Nature's Engineers

A spider's web is made from silk. Spiders can spin different kinds of silk. Some strands are sticky. Other strands are dry. Find out more in Spiderwebs, a title in the Nature's Engineers series. Nature's Engineers is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

A beehive can be home to 35,000 bees during the summer. However, each hive has only one queen bee. Find out more in Beehives, a title in the Nature's Engineers series. Nature's Engineers is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

Anthills are designed to protect ants from the weather. An anthill's dome shape helps the anthill absorb the Sun's heat. Find out more in Anthills, a title in the Nature's Engineers series. Nature's Engineers is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

Some birds make their nests out of grass, twigs, and leaves. Others use mud, fur, or feathers. They might even use paper or yarn. Find out more in Bird Nests, a title in the Nature's Engineers series. Nature's Engineers is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

Prairie dogs live in underground homes called burrows. The burrows are made of many tunnels and chambers. A burrow helps prairie dogs hide. It keeps them safe from predators. Find out more in Prairie Dog Burrows, a title in the Nature's Engineers series. Nature's Engineers is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

A beaver dam is made of rocks, logs, branches, and mud. These materials stop the flow of the stream and create a large, still pond. Find out more in Beaver Dams, a title in the Nature's Engineers series. Nature's Engineers is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

Many plants and animals depend on coral reefs for shelter and food. Coral reefs also prevent coastlines from eroding by acting as a barrier against waves. Find out more in Coral Reefs, a title in the Nature's Engineers series. Nature's Engineers is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

Chimpanzees are active mainly during the day. They sleep in nests at night. The nests give the chimps shelter. They help the chimps stay warm. Find out more in Chimpanzee Nests, a title in the Nature's Engineers series.