1959 Ballantine Books Original Publication No. 353K; cover art by Richard Powers. Story list: Danger! Child at Large by C. L. Cottrell; Twin's Wail by Elizabeth Mann Borgese; The Holy Grail by Tom Purdom; Angerhelm by Cordwainer Smith; The Dreamsman by Gordon R. Dickson; To Catch an Alien by John J. McGuire; Press Conference by Miriam Allen DeFord; Invasion from Inner Space by Howard Koch. 156 pages.