A PLAGUE OF PYTHONS. New York: Ballantine Books, . Small octavo, pictorial wrappers. First edition. Ballantine Books U2174. "Mind-controlling alien 'demons' have invaded the Earth, with many strange and violent consequences." - Pringle, The Ultimate Guide to Science Fiction, second edition (1995), p. 96. Sargent, British and American Utopian Literature, 1516-1985, p. 296. A bright, nearly fine copy. (#88168).