Astounding Science Fiction March 1957 (Volume 59, Number 1)
Illustrations by Kelly Freas, H. R. van Dongen. Cover by H. R. van Dongen (for "The Dawning Light.")

Serial: "The Dawning Light" (Part 1 of 3) by Robert Randall (Robert Silverberg & Randall Garrett; 2nd book in "Nidor" series.)

Novelettes: "How Allied" by Mark Clifton (a sequel to "What Thin Partions")
"A Matter of Security" by W. T. Haggart.

Stories: "Man of God" by Stephen Bartholomew
"Marius" by Poul Anderson.

Science: "Planets Have An Air About Them" by Isaac Asimov.

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