George R. Zug (SPRINGFIELD, VA), emeritus research scientist of reptiles and amphibians at the Smithsonian National Museum of Natural History, is an award-winning herpetology researcher, the author of Reptiles and Amphibians of the Pacific Islands, and the coauthor of Herpetology: An Introductory Biology of Amphibians and Reptiles. Devin A. Reese (ALEXANDRIA, VA) is the executive editor of Natural History magazine. An award-winning science writer who earned her PhD from the University of California, Berkeley, she has written for the Smithsonian, PBS, the World Wildlife Fund, Science News, and elsewhere.