Carl Sagan Ann Druyan Comet - New York Random House 1985 - xiv,395p. HB 26x21cm. Documents the history of Halley's Comet and describes, in two hundred photographs and an informative text, the path of the comet and the astronomical details of its existence ISBN: 0394549082 Subjects--Topical Terms: Halleys CometAstride Dewey Class. No.: 523.6 / SAGC