Berkeley: University of California Press, 2005. Octavo, black and white photographs, text illustrations, dustwrapper.

As recently as 11,000 years ago mammoths, mastodons, gomphotheres, ground sloths, giant armadillos, native camels and horses, the dire wolf, and many other large mammals roamed North America. In what has become one of science's greatest riddles, these large animals vanished in North and South America around the time humans arrived at the end of the last great ice age. This book is part palaeontological adventure and part memoir. The author explores the ramifications of the overkill hypothesis for similar extinctions worldwide and examines other explanations for the extinctions, including climate change. Also available in paperback [stock id 25834].