Primitive Technology: A Book of Earth Skills
Richard Ellis: No Turning Back : The Life and Death of Animal Species
George C. Frison: Survival By Hunting: Prehistoric Human Predators and Animal Prey
DOUGLAS PALMER: Atlas of the Prehistoric World
Brian M. Fagan: The Long Summer: How Climate Changed Civilization
James C. Chatters: Ancient Encounters : Kennewick Man and the First Americans
Tom Koppel: Lost World : Rewriting Prehistory---How New Science Is Tracing America's Ice Age Mariners