April, 1946
Serial
Pattern For Conquest by George O. Smith
Three Parts - Part Two

Novelettes
Swamper by Jerry Shelton
Black Market by Raymond F. Jones

Short Stories
Loophole by Arthur C. Clarke
Memorial by Theodore Sturgeon

Articles
Spaceship Take-Off
Unapproachable by George O. Smith
Plan For A Universe by R.D. Swisher

Readers' Departments
The Editor's Page  (Progress To Be Made)
Brass Tacks (including L. Sprague de Camp and George
   O. Smith)
In Times To Come ("The Nightmare" by Chan Davis)
The Analytical Laboratory  (January)

COVER BY TIMMINS