Astounding Science Fiction May 1959 (Volume 63, Number 3)
Illustrations by H. R. van Dongen, Kelly Freas, Ed Emshwiller, Martinez, Leo R. Summers. Cover by H. R. van Dongen (for "Dorsai.")

Serial: "Dorsai" (Part 1 of 3) by Gordon R. Dickson.

Novelettes: "Cum Grano Salis" by David Gordon (Randall Garrett)
"Operation Haystack" by Frank Herbert
"Hex" by Larry M. Harris (Laurence M. Janifer.)

Stories: "We Didn't Do Anything Wrong, Hardly" by Roger Kuykendall
"History Repeats" by George O. Smith
"Disturbing Sun" by Philip Latham.

John W. Campbell's editorial is "Mr. Newton's Wonderful Discovery"; Book reviews by P. Schuyler Miller.