In 19 factually intriguing chapters, the author provides a history of ""The Search for Intelligent Life in Other Worlds"" and some of the speculations engaging our best scientific mind. Mr. Sullivan, a New York Times reporter, submits a full picture of the problem as it has been attacked from many directions and by scientists in other countries. Unlike other books about exobiology which have been more technological or biological, his traces human interest in this subject from the beginnings to the more recent arguments over the contents of the carboneceous chondrites, project Ozma, or the possibility that something startling may be discovered. An animated treatment of a fascinating subject and one of the best presentations yet. Halftones and line drawings illustrate.