Astounding Science Fiction August 1949 (Volume 43, Number 6)
Illustrations by Ed Cartier, Paul Orban, Quackenbush, and Hubert Rogers. Cover by Hubert Rogers (for "The Queen of Zamba" )

Serial: "The Queen of Zamba" (Part 1 of 2) by L. Sprague de Camp (part of the "Viagens" series.)

Novelettes: "Trojan Horse Laugh" by John D. MacDonald
"P-Plus" by Peter Phillips.

Stories: "A Matter of Matter" by L. Ron Hubbard
"Letter to a Phoenix" by Fredric Brown.

Article: "Coded Speech" by C. Rudmore.

John W. Campbell's editorial is "Parboiled Pilots." Book reviews by R. S. Richardson.