Books: Spaced Out

THE COSMIC CONNECTION An Extraterrestrial Perspective by CARL SAGAN 288 pages. Anchor Press. $7.95.

COMMUNICATION WITH EXTRATERRESTRIAL INTELLIGENCE (CETI) Edited by CARL SAGAN 428 pages. The MIT Press. $10.

Questioned recently about what he thought any strange creature who stepped out of a flying saucer might look like, a celebrated astronomer quipped: "A miniature Carl Sagan." It was not a bad guess. Exobiologist Sagan has long been the prime advocate and perennial gadfly for planetary exploration. He is also this country's leading believer in the possibility of communicating with civilizations...

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