Susan Lumpkin is a freelance writer and editor specializing in natural history and conservation. Between 1990 and 2008 she was director of communications at Friends of the National Zoo and editor of its ZooGoer magazine. She is now consultant to the Global Tiger Initiative. John Seidensticker is a conservation scientist and head of the Conservation Ecology Center at the Smithsonian Conservation Biology Institute. He serves as chairman of the Save the Tiger Fund Council and is an affiliate professor of environmental science and policy at George Mason University. Lumpkin and Seidensticker have collaborated on numerous publications, including Cats: Smithsonian Answer Book.