Analog Science Fiction - Science Fact August 1968 (Volume 81, Number 6)
Illustrations by Kelly Freas, Leo R. Summers. Cover by Kelly Freas (for "The Baalim Problem.")

Novelettes: "The Baalim Problem" by Bruce Daniels
"Specialty" by Joe Poyer.

Stories: "The Fuglemen of Recall" by Jack Wodhams
"Appointment on Prilla" by Bob Shaw.

Serial: "Satan's World" (conclusion) by Poul Anderson ("David Falkayn/Van Rijn/Polesotechnic League" series.)

Science: "How the Soviets Did It In Space" by G. Harry Stine.

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