Analog Science Fiction - Science Fact December 1973 (Vol 92, No.4)
Illustrations by Di Fate, Leeds, Freas, Gaughan. Cover by John Schoenherr (for "The Hellhound Project.")

Novelette: "The Hellhound Project" by Ron Goulart.

Stories: "Skinnerian Box" by Roger A. Beaumond
"Soldiers' Home" by Lawrence A. Perkins
"Weed Killers" by Ronald Cain.

Serial: "The Sins of the Fathers" (Part 2 of 3) by Stanley Schmidt ("Lifeboat Earth" series.)

Science Fact: "Beyond the Blue" by Walter B. Hendrickson, Jr.

Ben Bova’s editorial is "Those Improbable Quasars." Book reviews by P. Schuyler Miller.