Astounding Science Fiction March 1958 (Volume 61, Number 1)
Illustrations by Kelly Freas, Martinez, H. R. van Dongen. Cover by Kelly Freas (for "The Man On the Bottom.")

Novelettes: "The Man On the Bottom" by Dean McLaughlin
"Second Game" by Charles V. DeVet & Katherine MacLean.

Stories: "Penal Servitude" by Randall Garrett
"Try and Change the Past" by Fritz Leiber ("Change War" series.)

Serial: "The Man Who Counts" (Part 2 of 3) by Poul Anderson (features "Nicholas van Rijn", book title for many years was War of the Wing Men.)

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