From rushing river currents to the waves that crash along coastlines, a look at the many forms of water power.

Laurie Brearley has written and edited numerous children's books and articles on a wide range of topics in science and social studies. She holds degrees from the University of New Hampshire and Boston University. Brearley believes that learning is a lifelong pursuit. She currently lives in Binghamton, New York, and is proud to be a descendant of David Brearley, one of the signers of the U.S. Constitution.