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SCIENCE FICTION CLASSICS: MARTIAN MARTYRS, VALLEY OF PRETENDERS, THE MACHINE THAT THOUGHT, THE NEW LIFE, THE VOICE COMMANDS, and RHYTHM RIDES THE ROCKET.
New York: Columbia Publications, n.d., [1940s]. Octavo, pictorial wrappers. First edition. Issued as "Science Fiction Classics," numbers 1-6. Complete set of this series comprising Martian Martyrs by John Coleridge, Valley of Pretenders by Dennis Clive, The Machine That Thought by William Callahan, The New Life by John Coleridge, The Voice Commands by Dennis Clive and Rhythm Rides the Rocket by Bob Olsen, John Coleridge is a pseudonym of Earl and Otto Binder, Dennis Clive is a pseudonym of John Russell Fearn, and William Callahan is a pseudonym of Raymond Z. Gallun.
PEOPLE MINUS X.
New York: Simon and Schuster, 1957. Octavo, Hardcover. First edition. Signed inscription by Gallun. Author's first hardcover novel, he is remembered largely for his contributions to the pulp magazines of the '30s.

