Astounding Science Fiction October 1948 (Volume 42, Number 2)
Illustrations by Ed Cartier, Paul Orban, Hubert Rogers. Cover by Hubert Rogers (for "The Players of A.")

Serial: "The Players of A" (Part 1 of 4) by A. E. van Vogt (sequel to The World of A/Null-A; later re-titled The Pawns of Null-A.)

Novelette: "Unite and Conquer" by Theodore Sturgeon.

Stories: "The Hero" by Joseph Farrell
"School for the Stars" by John D. MacDonald
"Muten" by Duncan H. Munro (Eric Frank Russell)
"Tiger Ride" by James Blish & Damon Knight.

Article: "Endocrinology is Tough" by Joseph A. Winter, M.D.

John W. Campbell's editorial is "Elder Brother Mars." Book review by P. Schuyler Miller.