DEMON IN THE SKULL. A REVISED VERSION OF A PLAGUE OF PYTHONS. [London]: Penguin Books, . Small octavo, pictorial wrappers. First British edition of this text. Penguin Book 007583. A revised version of A PLAGUE OF PYTHONS (1965). "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. (#142795).
"This revised edition / published under the present title / in Penguin Books 1985" on copyright page.