Mercenary
Mack Reynolds
Joe Mauser (1)
The Men of Yarnith
Lord Dunsany
Pegana (1)
Memory
H. P. Lovecraft
Memento Homo
Walter M. Miller, Jr.
The Measure of a Man
Randall Garrett
McIlvaine's Star
August Derleth
Tex Harrigan (1)
Max Carrados
Ernest Bramah
Max Carrados (1)
A Matter of Magnitude
Al Sevcik
Masters of Space
Edward E. Smith & E. Everett Evans
The Master of the World
Jules Verne
Robur (Jules Verne) (2)
Master of None
Neil Goble
Martians Never Die
Lucius Daniel
Martian V.F.W.
G. L. Vandenburg
A Martian Odyssey
Stanley G. Weinbaum
Tweel (1)
The Marooner
Charles A. Stearns
The Mark of the Beast
Rudyard Kipling
Fantasy Masterworks (50)