Astounding Science Fiction December 1957 (Volume 60, Number 4)
Illustrations by Kelly Freas, H. R. van Dongen. Cover by Kelly Freas (for "Precedent.")

Novelettes: "Precedent" by Robert Silverberg
"The First Inch" by Jon Stopa.

Stories: "Truce by Boomerang" by Christopher Anvil
"Danger- Human!" by Gordon R. Dickson.

Serial: "Citizen of the Galaxy" (Conclusion) by Robert A. Heinlein.

Article: "The Whenabouts of Radioactivity" by Isaac Asimov.

John W. Campbell's editorial is "Demonstration, Part 1"; Book reviews by P. Schuyler Miller.