Astounding Science Fiction June 1949 (Volume 43, Number 4)
Illustrations by Brush, Ed Cartier, and Paul Orban. Cover by Chesley Bonestell.

Novelettes: "The Green Forest" by A. E. van Vogt (with some name changes, this was incorporated into the fix-up The War Against the Rull,)
"A Sound Investment" by René Lafayette (L. Ron Hubbard - "Old Doc Methuselah" series.)

Stories: "To Watch the Watchers" by W. MacFarlane
"Entity" by Poul Anderson & John Gergen
"Minority Report" by Theodore Sturgeon.

Article: "The Aphrodite Project" by Philip Latham (Robert S. Richardson.)

Serial: "Needle" (conclusion) by Hal Clement.

John W. Campbell's editorial is "Open to Question." Book reviews by L. Sprague de Camp.