Vol. 69, No. 3, May 1962. Cover art by John Schoenherr. Anything You Can Do! (serial, part 1 of 2) by Randall Garrett [as by Darrell T. Langart]; The Next Logical Step by Ben Bova; Nor Iron Bars a Cage . . . by Randall Garrett [as by Johnathan Blake MacKenzie]; Sight Gag by Laurence M. Janifer [as by Larry M. Harris]; Look Before You Leap by Donald E. Westlake. That Fourth Law of Motion (editorial) by John W. Campbell; Moloch Horridus (essay about the cover illustration) by John Schoenherr; The Fourth Law of Motion (science speculation) by Dr. William O. Davis; The Reference Library by P. Schuyler Miller. Interior art by Leone, Schelling, John Schoenherr and others.