SHIELD. [New York]: A Berkley Medallion Book Published by Berkley Publishing Corporation, . Small octavo, pictorial wrappers. First edition. Berkley Medallion F743. "With some alien assistance from Mars, the hero invents a force-field -- and soon everyone is after him for the secret. An adequately exciting sf chase thriller, more earthbound than most of Anderson's work." - Pringle, The Ultimate Guide to Science Fiction, second edition (1995), p. 324. "Mostly adventure but includes a short presentation of a proposed new world political system." - Sargent, British and American Utopian Literature, 1516-1985, p. 286. Cover by Richard Powers. Inner surface of covers darkened along lower edge, mild bump to lower right corner, a bright, nearly fine, unread copy. (#142352).
"BERKLEY EDITION, APRIL, 1963" on copyright page.