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"This provocative book asserts that extraterrestrial life exists – and that there is evidence to prove it." — Nature
"Well-written and provocative." — New Scientist
Dr Dirk Schulze-Makuch is Associate Professor in Astrobiology at Washington State University. His research has been widely published in media ranging from academic journals to the New Scientist.
David Darling is an award winning popular science writer. He is the bestselling author of Equations of Eternity.