Analog: August 1963 (the sixth of 25 "Bedsheet" size issues: 8-1/2" by 11".)
Illustrations by John Schoenherr, Leo Summers; Cover by John Schoenherr.

Science: "Change" by R. A. J. Phillips.

Novelette: "The Hate Disease" by Murray Leinster (Will F. Jenkins). (A "Calhoun of Med Service" story.)

Stories: "To Invade New York" by Irwin Lewis
"Patriot" by Frank A. Javor
"Controlled Experiment" by Arthur Porges.

Serial: The Ethical Engineer (Conclusion) by Harry Harrison (retitled in book form as Deathworld 2.)

John W. Campbell's editorial is "A Place for the Subconscious." Book reviews by P. Schuyler Miller.