Contact with Alien Civilizations

Describes a variety of speculations about the consequences for humanity of coming into contact with extraterrestrial intelligence. This book emphasizes the cons... » 

Describes a variety of speculations about the consequences for humanity of coming into contact with extraterrestrial intelligence. This book emphasizes the consequences of contact rather than the search. It includes summaries of the history of thinking about extraterrestrial intelligence, searches for life and for signals, and others. «