Rare Earth Why Complex Life is Uncommon in the Universe

"...likely to cause a revolution in thinking..."
The New York Times

"...[the book] has hit the world of astrobiologists like a killer asteroid..."
Newsday (New York)

"...a sobering and valuable perspective..."
Science

"...a startling new hypothesis..."
Library Journal

"...Peter Ward and Donald Brownlee offer a powerful argument..."
The Economist
"...provocative, significant, and sweeping..."
Northwest Science & Technology

"...a stellar example of clear writing..."
American Scientist