Cindy Engel has a Ph.D. in biology from the University of East Anglia, with a concentration on the relationship between physiology and behavior in animals. She has done research on the behavior and health of wild rabbits and jaguars and for twelve years has been a lecturer in environmental sciences at the Open University. She has published numerous scientific papers, particularly in the prestigious journal Animal Behaviour, and for the past eighteen months has worked as a script writer and science advisor for a series of wildlife documentaries being produced by National Geographic. In addition to her research into the medicinal practices of animals, she has studied holistic medicine for humans and is a Shiatsu practitioner. She has two children, lives on a farm in Suffolk, and is not quite forty.