Introduces the life and career of author and illustrator Maurice Sendak.

'Did you know manta rays cannot stop swimming? Manta ray skeletons are made entirely of cartilage...

Young readers will learn to identify orange objects and the different places they appear.

Young readers will learn to identify yellow objects and the different places they appear.

Title discusses how earthquakes change the earth's surface.

Code on page 2 provides access to weblinks, audio and video clips, slide show, activities, and quiz.

Code on page 2 provides access to weblinks, audio and video clips, activities, slide show, activi...

Find out how volcanoes change the Earth's surface.

'In Belling the Cat, Aesop and his troupe teach their audience to look at the whole plan, not jus...

The U.S. Regions: Natural Environment series lets readers discover the fascinating facts behind t...

The settlement of what would become the United States of America was a key period in the nations ...