The Cometeers
Jack Williamson
Legion of Space (2)
The Legion of Space
Legion of Space (1)
Children of the Lens
Edward E. Smith
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Second Stage Lensman
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Galactic Patrol
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Gray Lensman
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Lest Darkness Fall
L. Sprague de Camp
Lest Darkness Fall (1)
The Treasure of Ptakuth
Leigh Brackett
Mars (1)
The Sorcerer of Rhiannon
Noise Level
Raymond F. Jones
Martin Nagle (1)
Med Service
Murray Leinster
Med Service (1)
Magic City
Nelson S. Bond
Meg (3)
Close to Critical
Hal Clement
Mesklin (2)
Mission of Gravity
Mesklin (1)
The Mightiest Machine
John W. Campbell, Jr.
Mightiest Machine (1)
The Mightiest Machine (Part 2 of 5)
Runaround
Isaac Asimov
Mike Donovan (Robot) (1)
Catch That Rabbit
Reason
The Mixed Men
A. E. Van Vogt
Mixed Men (1)