Analog: February 1964 ("Bedsheet" size issue: 8-1/2" by 11".)
Illustrations by Michael Arndt, John Schoenherr, Leo Summers. Cover by John Schoenherr.

Science: "Secondary Meteorites" (Part 2) by Ralph A. Hall, M.D.
"Names for Space Plants" by John Becker.

Novelette: "The Permanent Implosion" by Dean McLaughlin (cover story.)

Stories: "Crackpots, Inc." by Richard L. Davis
"Rx for Chaos" by Christopher Anvil.

Serial: "Dune World" (conclusion) by Frank Herbert. (This is the first of 2 serials that were combined to form the Hugo winning Dune. This serial corresponds to Part One of the novel.)

John W. Campbell's editorial is "How to Breed a Superior Race." Book reviews by P. Schuyler Miller.