Analog Science Fact & Fiction July 1961 (Volume 67, Number 5)
Illustrations by Douglas, John Schoenherr, H. R. van Dongen. Cover by Thomas.

Novelettes: "A Spaceship Named McGuire" by Randall Garrett
"Tinker's Dam" by Joseph Tinker.

Stories: "The First One" by Herbert D. Kastle
"The Hunch" by Christopher Anvil.

Serial: "The Fisherman" (conclusion) by Clifford D. Simak (nominated for Hugo award; book title was Time is the Simplest Thing.)

Science: "Hell's Own Problem" by Harry B. Porter.

John W. Campbell's editorial is "Sometimes You Just Can't Win"; Book reviews by P. Schuyler Miller.