A

David

Darling

Intelligent Life in the Universe

Intelligent Life in the Universe is a ground-breaking and influential book on the subjects of SETI and astrobiology, first published in 1966. Co-authored by I. S. Shklovskii and Carl Sagan, it is a highly extended and revised version of Shklovskii's Vselennaia, Zhizn, Razum (Universe, Life, Mind) published in Moscow in 1962.