Extraterrestrials: A Field Guide for Earthlings

Discusses the various ways writers, artists, and film-makers have depicted extraterrestrials, recounts efforts to detect life on the other planets of the solar system, and describes the different kinds of sense organs extraterrestrials might have and what beings from different types of environments might be like.Discusses how extraterrestrials have been depicted, recounts efforts to detect life on other planets, and describes possible sense organs and what beings from different types of environments might be like