Measure for a Loner
Jim Harmon
McIlvaine's Star
August Derleth
Tex Harrigan (1)
The Maypole of Merry Mount
Nathaniel Hawthorne
Max Carrados
Ernest Bramah
Max Carrados (1)
A Matter of Magnitude
Al Sevcik
A Matter of Importance
Murray Leinster
Mate in Two Moves
Winston K. Marks
Masters of Space
Edward E. Smith & E. Everett Evans
The Master of the World
Jules Verne
Robur (Jules Verne) (2)
Master of the Moondog
Stanley Mullen
Master of None
Neil Goble
Mask of Death
Paul Ernst
Dr. Satan (1)
Martians Never Die
Lucius Daniel
Martian V.F.W.
G. L. Vandenburg
A Martian Odyssey
Stanley G. Weinbaum
Tweel (1)
The Martian Cabal
R. F. Starzl
Mars Confidential
Howard Browne
The Marooner
Charles A. Stearns