T. A. Heppenheimer's acclaimed chronicle of rockets, politics, and the pioneers who dared to reach beyond humanity's limits.

"The most comprehensive, up-to-date, and best written history of space flight there is."
—The Times (London)

"A lively account of the development of space activities in the U.S. and the Soviet Union . . . as good a one-volume overview of space as exists."
—Scientific American

"Countdown is by far the best history of space flight I have ever read. It is detailed, lucidly written for the layman, and full of fascinating stories."
—Adrian Berry, Daily Telegraph

"Science writer Heppenheimer's readable account provides a timely historical overview of the early visionaries, the engineers, and the geopolitical forces that placed men on the moon and created today's aerospace industry. . . . A thoughtful analysis that is highly recommended."
—Library Journal

"By far the most significant and technically insightful account of the ventures into the space environment I have seen. . . . [Heppenheimer] concentrates unerringly on key elements, both technical and managerial, in this account of man's initial space ventures."
—Lee Atwood, Former president and chairman, North American Aviation Corporation

"Like a skilled artisan, Heppenheimer weaves social, political, scientific, technological, military, and economic threads of the history of space flight into a tapestry that reveals fascinating patterns and themes."
—Publishers Weekly