David Rains Wallace is the author of seventeen books, including Neptune’s Ark: From Ichthyosaurs to Orcas; Beasts of Eden: Walking Whales, Dawn Horses, and Other Enigmas of Mammal Evolution, A New York Times Notable Book; and The Klamath Knot: Explorations of Myth and Evolution, Twentieth Anniversary Edition, winner of the John Burroughs Medal (all available from UC Press).