Dale E. Greenwalt is Resident Research Associate at the Smithsonian Institution's National Museum of Natural History, where he curates the Kishenehn Formation fossil insect collection.
An accessible book on ancient life that focuses as much on chemistry as on biology. ---Wade Lee-Smith, Library Journal The book provides a fascinating journey through the very latest in research into the origins of life on Earth. . . . No one should be intimidated by this highly readable work. ---David Gascoigne, Travels with Birds [A] vivid, gripping book. . . . Dale Greenwalt . . . has written a riveting account of a field achieving revolutionary insights. ---Simon Ings, New Scientist