Vol. 15, N° 1 - janvier
Couverture d'Allen St John

Back cover of Frank R. Paul "City on Venus"

John Carter and the Giant of Mars • Edgar Rice Burroughs
The Invisible Wheel of Death • Don Wilcox • 
Mystery Moon • Edmond Hamilton • nv
The Armageddon of Johann Schmidt • Arthur T. Harris • ss
Hammer of the Gods • John York Cabot • ss
Skidmore's Strange Experiment • David Wright O'Brien • ss
A City on Venus • Henry Gade • vi

Dessin de (?) illustrant "John Carter and the Giant of Mars"

Vol. 15, N° 2 - fιvrier
Couverture de Leo Morey

Back cover de Frank R. Paul "A city on Jupiter"

Battering Rams of Space [*Lester Allison] • Don Wilcox • na
The Last Analysis • John York Cabot • ss
An Anesthesia 2300 Years Old • Simpson M. Ritter 
Adam Link in the Past [*Adam Link] • Eando Binder 
The Accidental Murders • Robert Moore Williams
The Stillwell Degravitator • Charles R. Tanner • ss
The Winking Lights of Mars • Gordon A. Giles • ss
Ultimate Reality • Morrison Colladay • ms

Vol. 15, N° 3 - mars
Couverture d'Allen St. John plus dessin original

The City of Mummies • Edgar Rice Burroughs • 
The Man Who Lived Next Week • David Wright O'Brien
Murder in the Past • John York Cabot • ss
Hok and the Gift of Heaven [*Hok] • Manly Wade Wellman • nv
Phoney Meteor • John Beynon • nv
The Lost Colony • James Norman • ss
Mystery of the Amazing Battery • Donald Bern • ss

Vol. 15, N° 4 - avril
Couverture d'Allen St. John

Back cover de Frank R. Paul "A City on Uranus"

Lords of the Underworld • L. Taylor Hansen •
King Arthur's Knight in a Yankee Court • A. W. Bernal • nv
Big Man • Ross Rocklynne • nv
Priestess of the Sleeping Death • Neil R. Jones
Invisible Raiders of Venus • Don Wilcox • 
Killer's Turnabout • William P. McGivern • ss

Vol. 15, N° 5 - mai
Couverture d'Allen St. John

Back cover d'Allen St. John "Martian Spaceships Invade New York"

The Lost Race Comes Back • Don Wilcox • na
Fantastic Hoaxes • Julius Schwartz • ms
Lone Wolf of Space • Joseph J. Millard & 
A. R. Steber • nv
Adam Link Faces a Revolt • 
Eando Binder • nv
The Man Who Forgot • 
John York Cabot • ss
The Iron Men of Super City • 
Don Wilcox • nv
The Fate of Asteroid 13 • William P. McGivern • ss
A Cure for Jekyll and Hyde • Arthur T. Harris • ms
Dictagraphs of Death • P. F. Costello • nv
Secret of the Lost Planet • David Wright O'Brien • nv
Rocky Gordon's Billion-Dollar Trap • 
Robert Moore Williams • ss
Return of the Space Hawk • Duncan Farnsworth • nv
The Strange Adventure of Victor MacLiesh • 
Alexander Blade • nv
When the Earth Grows Bored • Joseph O'Connor • ms

Vol. 15, N° 6 - juin
Couverture d'Allen St. John

Back cover de Frank R. Paul "A City on Pluto"

Black Pirates of Barsoom • Edgar Rice Burroughs
Lost Treasure of Angkor • James Norman • 
The Girl from Venus • David V. Reed • ss
Ersatz • William P. McGivern • ms
Cagliostro—Magnificent Charlatan • 
William P. McGivern • ms
The Quandary of Quintus Quaggle • 
William P. McGivern • ss
Pepper Pot Planet • Duncan Farnsworth • ss
Homer Higginbottom, Rain Maker • Milton Kaletsky • nv
Strange But True • William P. McGivern • ms

Vol. 15, N° 7 - juillet
Couverture de Stockton Mulford

Back cover de Frank R. Paul "Cyistallis, Glass City of Io"

Survivors from 9000 B.C. • Robert Moore Williams 
Mystery on Planetoid Ten • James Norman • 
No Man's Land in Space • Leigh Brackett • nv
Progress Is a Headache • John York Cabot • 
Sidetrack in Time • William P. McGivern • ss
Broadcast by Bees • P. F. Costello • ms
Ten Seconds from Nowhere • David Wright O'Brien
How Smart Were the Ancients? • William P. McGivern • ms
The Invincible Crime-Buster • Henry Gade • nv

Vol. 15, N° 8 - aoϋt
Couverture d'Allen St. John
Back cover de Frank R. Paul " Crater City on Saturn"

Yellow Men of Mars • Edgar Rice Burroughs •
Kid Poison • David V. Reed • nv
Mr. Muddle Does as He Pleases • William P. McGivern & David Wright O'Brien • nv
You Ought to Be Dead • Robert Moore Williams 
The Man Who Got Everything • John York Cabot
Taxi to Jupiter • Don Wilcox • ss

Dessin de (?) pour "Yellow Men of Mars"

Vol. 15, N° 9 - septembre
Couverture de Robert Fuqua

Back cover de Frank R. Paul

Enchantress of Lemuria • Stanton A. Coblentz 
Mutiny in Space • Jep Powell
Ferdinand Finknodle's Perfect Day • David Wright O'Brien •
The Throne of Valhalla • Arthur T. Harris • nv
Yellow Mud for Cowards • P. F. Costello • ss
Master Mimics • Guy Fauldes • ms
Mystery of the Mummy • Duncan Farnsworth • ss
Aristocrats of the Atomic Table • C. E. Conners • ms
Dr. Loudon's Armageddon • Alexander Blade • ss

Vol. 15, N° 10 - octobre
Couverture de Allen St John
Back cover de Frank R. Paul

Invisible Men of Mars [*Barsoom (John Carter et al)] • Edgar Rice Burroughs • na The World of Miracles • David V. Reed • ss
Kidnaped in Mars [*Don Hargeaves] • Festus Pragnell • na
Sergeant Shane of the Space Marines [*Sergeant Shane] • John York Cabot • ss
Flame for the Future [by William P. McGivern] • P. F. Costello • ss
Mystery of the Martian Pendulum [by Raymond A. Palmer] • Thornton Ayre & A. R. Steber • nv

Vol. 15, N° 11 - novembre
Couverture de Robert Fuqua

Back cover de Frank R. Paul "A City on Uranus"

Convoy to Atlantis • William P. McGivern • na
Nicolbee's Nightmare • John York Cabot • ss
The Stevedore of Jupiter • Don Wilcox • ss
Death Desert • Robert Moore Williams • ss
The Short-Wave Superman • Robert Leslie Bellem 
Armageddon, 1948 • Ed Earl Repp • nv