Ann�e 1927 - VOL. 1
Couverture de Frank R. Paul et dessin int�rieur pour "The Master Mind of Mars"

The Master Mind of Mars � Edgar Rice Burroughs � n.
The Face in the Abyss � A. Merritt � na 
The Man Who Saved the Earth � Austin Hall 
The People of the Pit � A. Merritt � ss 
The Man Who Could Vanish � A. Hyatt Verrill � 

Vol. 1, N� 1 - hiver 1928
Couverture de Frank R. Paul

The Moon of Doom � Earl L. Bell � nv
The Atomic Riddle � Edward S. Sears � nv
When the Sleeper Wakes � H. G. Wells � 
The Golden Vapor � E. H. Johnson � ss 
The Puzzle Duel � Miles J. Breuer, M.D. � ss
The Terrors of the Upper Air � Frank Orndorff �

VOL. 1, N� 3 - �t� 1928
Couverture de Frank R. Paul

The Sunken World � Stanton A. Coblentz � n
Out of the Sub-Universe � R. F. Starzl � ss
The Menace [*Taine of San Francisco] � David H. Keller, M.D
Ten Days to Live � C. J. Eustace � nv

VOL. 1, N� 4 - automne 1928
Couverture de Frank R. Paul

The World of the Giant Ants � A. Hyatt Verrill
Stenographer's Hands � David H. Keller, M.D. �
Four Dimensional Transit [*Fourth Dimension (unnamed narrator)] � Bob Olsen � na
When the World Went Mad � Ronald M. Sherin
The Gravity King � Clelland J. Ball � ss

A Modern Atlantis � Frederick Arthur Hodge 
The Nth Man � Homer Eon Flint � na
The King of the Monkey Men � A. Hyatt Verrill � 
The Vibrator of Death � Harold F. Richards, Ph.D.
The Second Swarm � J. Schlossel � nv

Vol. 2, N� 1 - hiver 1929
Couverture de Frank R. Paul

Ralph 124C 41+ � Hugo Gernsback � n.
The Seventh Generation � Harl Vincent � nv
The Evolutionary Monstrosity � Clare Winger Harris 
The Murgatroyd Experiment � 
Capt. S. P. Meek 
The Beast-Men of Ceres  
Aladra Septama � nv
The Hollister Experiment � Walter Kateley � ss
What the Sodium Lines Revealed � L. Taylor Hansen � nv

VOL. 2, N� 2 - printemps 1929
Couverture de Frank R. Paul

After 12,000 Years � Stanton A. Coblentz � n.
Locked Worlds � Edmond Hamilton � na
The Cry from the Ether [*Severus Mansonby] � Aladra Septama � na
The City of Eric � Quien Sabe � nv

Vol. 2, N� 3 - �t� 1929
Couverture ?

Venus Liberated � Harl Vincent � n.
Rays and Men � Miles J. Breuer, M.D. � na
White Collars � David H. Keller, M.D. � ss
Paradox � Charles Cloukey � nv
Dr. O'Glee's Experiments � T. Proctor Hall � 
The Singing Moonbeams � Edward S. Sears 

Vol. 2, N� 4 - automne 1929
Couverture de H. Wesso

The Bridge of Light � A. Hyatt Verrill � n.
Euthanasia Limited � David H. Keller, M.D. � nv
The Other Side of the Moon � Edmond Hamilton 
When the Earth Grew Cold � Paul H. Lovering � 

Vol. 3, N� 2 - printemps 1930
Couverture de Leo Morey

Reclaimers of the Ice � Stanton A. Coblentz � 
Dragons of Space � Aladra Septama � na
The Flying Threat � David H. Keller, M.D. � 
The Red Ray � Dan Fabers � nv

VOL. 3, N� 4 - automne 1930
Couverture de Leo Morey

A Modern Prometheus � Cyril G. Wates � n
The Black Star Passes [*Arcot, Wade & Morey] � John W. Campbell, Jr. � na Boomeranging 'Round the Moon � David H. Keller, M.D. � ss
The Triple Ray � R. V. Happel � ss
Terrors of Arelli [*Frederick Harding] � Aladra Septama � na Dr. Immortelle � Kathleen Ludwick �

VOL. 4, N� 1 - hiver 1931
Couverture de Leo Morey

The Birth of a New Republic � Miles J. Breuer, M.D. & Jack Williamson � n. Elaine's Tomb � G. Peyton Wertenbaker � nv
When the Moon Ran Wild � A. Hyatt Verrill �
Service First � David H. Keller, M.D. � nv

Islands of Space  � John W. Campbell, Jr. 
Moon People of Jupiter � Isaac R. Nathanson 
Invisible Ships � Harl Vincent � nv
Extra-Galactic Invaders � J. Schlossel � na

The Blue Barbarians � Stanton A. Coblentz � 
Half-Mile Hill � David H. Keller, M.D. � ss
The Menace of the Little � Roscoe B. Fleming � n
Cosmic Menace � A. W. Bernal � ss
Deap Sea Justice � Ed Earl Repp � nv
The Giant Puffball � Eugene Stowell � ss

Vol. 4, N� 4 - automne 1931
Couverture de Leo Morey

Seeds of Life � John Taine � n.
The Demons of Rhadi-Mu � Miles J. Breuer, 
Dramatis Person� � Joe W. Skidmore � nv
The War of the Universe � Clinton Constantinescu 
The Mechanical Heart � H. I. Barrett � ss
Paladins of the Sky � Warwick Janus � ss

Vol. 5, N� 1 - hiver 1932
Couverture de Leo Morey

A Voice Across the Years � I. M. Stephens & Fletcher Pratt � n.
Once in a Blue Moon � Harl Vincent � nv
Insects Extraordinary � Walter Kateley � nv
Blue Water � William Lemkin, Ph.D. � na
Starvation in Space � Earle H. Morris � nv
Moss Island � Carl Jacobi � ss
Naval Control � John Shamus O'Donnell � ss