Astounding Science Fiction May 1956 (Volume 57, Number 3)
Illustrations by Ed Emshwiller, H. R. van Dongen. Cover by H. R. van Dongen (for "The Missionaries.")

Short Novels: "The Missionaries" by Everett B. Cole
"Academy for Pioneers" by Raymond F. Jones.

Stories: "To Be Continued" by Robert Silverberg
"Psiod Charley" by John A. Sentry (Algis Budrys)
"Thereby Hangs" by Varley Lang.

Article: "The Abnormality of Being Normal" by Isaac Asimov.

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