Books with author Robert E Wells

In the Arctic, the summer ice is melting, making it hard for polar bears to survive. Why is the world getting warmer? The heat of the sun is trapped by the "greenhouse" gases that surround Earth--carbon dioxide, methane, nitrous oxide, and water vapor.

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You may be able to count all the way to one hundred, but have you ever counted to a googol? It's impossible! In this fun book of numbers, Robert E. Wells explores the wonderful world of zeros and tells how the googol came to be named.

A blue whale is big; its the biggest animal alive. But it isn't the biggest thing there is. In this informative and engaging book, readers discover some big things, some bigger things, and the thing beyond measure--what can truly be called the Biggest Thing There Is!

The blue whale is the biggest creature on Earth. But a hollow Mount Everest could hold billions of whales! And though Mount Everest is enormous, it is pretty small compared to the Earth. This book is an innovative exploration of size and proportion.

You may be able to count all the way to one hundred, but have you ever counted to a googol? It's impossible! In this fun book of numbers, Robert E. Wells explores the wonderful world of zeros and tells how the googol came to be named.

Some giant tortoises have lived for more than 150 years! Some of the giant sequoia trees that grow in California would be more than 3,000 years old. This book compares the age of some things on Earth.

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Each of the 'Wonderwise' series explores a particular area of learning with a simple narrative text and illustrations. The differentiated text gently introduces readers to some of the methods of extracting information from a non-fiction book.

Adam persuades his mother to join him for a picnic in the snow

Explore the functions of levers, wheels, and pulleys, and learn how to lift a lion, pull a panda, and deliver a basket of bananas to a baboon birthday party!

What's faster than a cheetah?--no animal on earth can run faster. But a peregrine falcon can swoop faster than a cheetah can run. And the falcon can't compare to an airplane, a rocket, or the speed of light.