If you want to win races, never race a cheetah--no animal on earth can run faster! A peregrine falcon can swoop faster than a cheetah can run, but that can't even compare to an airplane, a rocket, or the speed of light. Full color.
Robert E. Wells is the author and illustrator of many award-winning science books for children, including Can You Count to a Googol? and Why Do Elephants Need the Sun?. He lives with his wife in Washington.
