Jennifer Berne is an acclaimed children's author whose books include On a Beam of Light, Manfish, On Wings of Words (all Chronicle), and Look Up with Me (Katherine Tegen Books). She has been fascinated by the ocean since her childhood, and this book is based on her countless hours of research about evolution and the undersea world. Jennifer lives in the hills of Columbia County, New York, and spends her summers sailing along the coast of Maine. Visit her website at jenniferberne.com.