This book is part of a book series called Gareth Stevens Vital Science-Life Science .

This book has been graded for interest at 11-13 years.

There are 48 pages in this book. This book was published 2007 by Gareth Stevens Publishing .

PWB Biography Darlene R. Stille is a science writer and author of more than 80 books for young people. When she was in high school, she fell in love with science. While attending the University of Illinois, she discovered that she also loved writing. She was fortunate enough to find a career as an editor and writer that allowed her to combine both of her interests. Darlene lives and writes in Michigan. CPB Biography Darlene R. Stille is a science writer and author of more than 80 books for young people. When she was in high school, she fell in love with science. While attending the University of Illinois, she discovered that she also loved writing. She was fortunate enough to find a career as an editor and writer that allowed her to combine both of her interests. Darlene Stille now lives and writes in Michigan. Darlene R. Stille is the award-winning author of more than 80 books for young people, including collections of biographies. She grew up in Chicago and attended the University of Illinois, where she discovered her love of writing. She now lives and writes in Michigan.