Daniel C. Abel is professor of marine science at Coastal Carolina University, where his research focuses on shark ecology and physiology. He is the coauthor of The Lives of Sharks and Tooth and Claw: Top Predators of the World (both Princeton), among other books. Marc Dando is a scientific illustrator and publisher and the coauthor of many books, including Sharks of the World, Field Guide to Sharks, Rays and Chimaeras of the East Coast of North America, and Field Guide to Sharks, Rays and Chimaeras of Europe and the Mediterranean (all Princeton).