Mars-Tube
C. M. Kornbluth
The Wonder Effect SS (1)
King Cole of Pluto
Interference
Vacant World
Best Friend
The Floating Island of Madness
Jason Kirby
The Blue Air Compressor
Stephen King
Exiles of Mars
Frank K. Kelly
The Rat Racket
David H. Keller
John Jones's Dollar
Harry Stephen Keeler
The Jameson Satellite
Neil R. Jones
Professor Jameson (1)
The Person from Porlock
Raymond F. Jones
Wreckers of the Star Patrol
Malcolm Jameson
Tricky Tonnage
Train for Flushing
The Sorcerer's Apprentice
Doctor Universe
Carl Jacobi
Advanced Chemistry
Jack G. Huekels
Fear
L. Ron Hubbard
The Haunter of the Ring
Robert E. Howard