Number 1
April 1933
Cover art by ? When the Comet Returned • Harl Vincent • novella Beyond the End of Space [Part 2 of 2] • John W. Campbell • novella Revelation • V. R. Eberhart • poem Ancients of Easter Island • F. Stanley Renshaw • short story The Memory Stream • Warren E. Sanders • short story The Phantom of Terror • Ed Earl Repp • novelette Author's Adventure • Arthur L. Bain • vignette Universal Merry-Go-Round • Roger Bird • novelette
Number 2
May 1933
Cover art by A. Sigmond
The Death Drum • A. Hyatt Verrill • novella
Martian and Troglodyte • Neil R. Jones • novella
Jeremiah Jones, Alchemist • P. Schuyler Miller • novelette
The Three Suns of Ev • Edwin K. Sloat • novelette
The Bronze Door • Jerry Benedict • short story
The Girl and the Glacier • George P. Pearce • short story
The Good-Natured Pendulum • Edward Everett Hale • short story
Number 3
June 1933
Cover art by A. Sigmond
Tumithak in Shawm [Tumithak] • Charles R. Tanner • novella
Warriors of Zantos • William Russell Moore • vignette
The Intelligence Gigantic [Part 1 of 2] • John Russell Fearn • novel
Prayer of an Elderly Philosopher • Pauline E. Thomas • poem
The Crime Crusher • Bob Olsen • novella
Number 4
July 1933
Cover art by ? Unto Us a Child Is Born • David H. Keller • short story Hibernation • Abner J. Gelula • novelette The Intelligence Gigantic [Part 2 of 2] • John Russell Fearn • novel Cavern of Thunders • Harl Vincent • novella The Flight of the RX-1 • Raymond Z. Gallun • short story
Number 5
August–September 1933
Cover art by Leo Morey
The Meteor-Men of Plaa • Henry J. Kostkos • novella
Head Hunters Fooled and Foiled • Paul Drennen • vignette
Children of the Great Magma • Walter Kateley • novella
Adrift on a Meteor • Jack Winks • short story
The Essence of Life • Festus Pragnell • novelette
The Pellucid Horror • B. F. Ruby • short story
The Silicon Empire • Fritz Burg • novelette
Across the Ages [plagiarism of "The Heat Wave" by Marion Ryan & Robert Ord, Munsey's Magazine, April 1929] • Allen Glasser • short story
Number 6
October 1933
Cover art by Leo Morey
The Men Without Shadows • Stanton A. Coblentz • novelette
Theft of the Washington Monument • Robert Arthur • short story
When the Universe Shrank [Part 1 of 2] • J. Lewis Burtt • novella
The Tree Terror • David H. Keller • short story
Into the Hydrosphere [Professor Jameson] • Neil R. Jones • novella
The Supermen • David M. Speaker • short story
The Diamond Lens • Fitz-James O'Brien • novelette
Number 7
November 1933
Cover art by Leo Morey
Whisper of Death • Harl Vincent • novella
The Notorious "C39" • Jack O. Bearden • vignette
The Battery of Hate • John W. Campbell • novelette
Retribution • Robert Baldwin • vignette
The Beetle in the Amber • Joe W. Skidmore • short story
When the Universe Shrank [Part 2 of 2] • J. Lewis Burtt • novella
When the Moon Moons • Webster Watson • vignette
The Price of Peace • Mortimer Weisinger • short story
Mellonta Tauta • Edgar Allan Poe • short story
Number 8
December 1933
Cover art by Leo Morey
Time's Mausoleum [Professor Jameson] • Neil R. Jones • novelette
The Strength of the Weak • Miles J. Breuer • short story
The Four Dimensional Escape • Bob Olsen • novelette
Within Sight of Hell • Alcan Hirsch • short story
Into the Meteorite Orbit • Frank K. Kelly • novelette
A Vision of Venus • Otis Adelbert Kline • short story
Island of Science • B. S. Keirstead • short story
Redwoods • Stanton A. Coblentz • poem (© Copyright Renewed as part of Songs of the Redwoods; Stanton A. Coblentz (A); 26Apr61; R275002.) The Watch's Soul • Jules Verne • novelette