Introduction Frederik PohlThe Embassy '42 story Donald A. Wollheim [aka Martin Pearson]The Hunted '49 story John D. MacDonaldHeredity '41 novelette Isaac AsimovRock Diver '51 story Harry HarrisonThe Little Black Bag '50 novelette C.M. KornbluthThe Lonely Planet '49 novelette Murray LeinsterOperation Peep=Pawley's Peepholes '51 story John Wyndham Let the Ants Try '49 story Frederik Pohl [aka James MacCreigh]There Will Come Soft Rains '50 story Ray BradburyScanners Live in Vain Instrumentality '50 story Cordwainer SmithSuch Interesting Neighbors '51 story Jack FinneyBridge Crossing '51 story Dave DryfoosLetter from the Stars '49 story A.E. van VogtLove in the Dark '51 story Horace L. GoldObviously Suicide '51 story S. Fowler WrightRescue Party '46 novelette Arthur C. ClarkeStepson of Space '40 story Raymond Z. GallunDeath Is the Penalty '49 story Judith MerrilBeyond Doubt '41 story Rbt A. Heinlein [aka Lyle Monroe] and u0026 Elma Wentz