Parasites: Latching on to Free Lunch

Author Bio: Paul Fleischer

Paul Fleisher is the author of more than three dozen books for young people and educators. His books for young people cover a variety of science, ecology and natural history subjects. He has also written several widely-used classroom activity books on thinking games, social activism and creative writing, as well as educational software and numerous essays. Paul currently serves as assistant to the director of the Richmond Peace Education Center. Previously, he taught gifted elementary and middle school students in the Richmond, Virginia Public Schools for almost thirty years.