Guides to Foreign Policy - 1 Edgar Ansel Mowrer: The Nightmare of American Foreign Policy. (New York: Alfred A. Knopf, 1948. Pp. ix–283–xxii. $2.95.) - 2 John C. Campbell: The United States in World Affairs, 1947–1948. (New York: Harper and Brothers, 1948. Pp. xix–572. $5.00.) - 3 Raymond Dennett & Robert K. Turner (editors): Documents on American Foreign Relations, July 1946-December, 1946. (Published for World Peace Foundation by Princeton University Press, 1948. Pp. xxxvii–962. $6.00.) - 4 Sam Welles: Profile of Europe. (New York: Harper and Brothers, 1948. Pp. ix–386. $3.50.) - 5 William Henry Chamberlin: The European Cockpit. (New York: the Macmillan Co., 1947. Pp. v–330. $4.00.)