Astounding Science Fiction December 1951 (Volume 48, Number 4)
Illustrations by Ed Cartier, Julian May, Hubert Rogers, H. R. van Dongen. Cover by Hubert Rogers: "Outward Bound."

Novelette: "Dune Roller" by J(ulian) C. May (yes - the author of the "Pliocine Exile" series in the 1980's.)

Stories: "Hell's Pavement" by Irving E. Cox, Jr.
"The Edge of Forever" by Chad Oliver.

Serial: "Iceworld" (Conclusion) by Hal Clement.

Science: "First Atomic Pile" by Corbin Allardice & Edward R. Trapnell.

John W. Campbell's editorial is "Primitive Language"; Book reviews by P. Schuyler Miller.