Number 1Edit
May 1934
Cover art by Leo Morey
- The Lost City [Part 1 of 3] • Milton R. Peril • novel
- The Ultra-Gamma Wave • D. E. Winstead • short story
- Terror Out of Space [Part 4 of 4] • H. Haverstock Hill • novel
- Dr. Grimshaw's Sanitarium • Fletcher Pratt • short story
- A Dream (Reid) • Edward Reid • poem
- The White Dwarf • J. Lewis Burtt • novelette
- Measuring a Meridian [Part 1 of 4] • Jules Verne • novel
Number 2Edit
June 1934
Cover art by Leo Morey
- The Lost City [Part 2 of 3] • Milton R. Peril • novel
- Peace Weapons • Abner J. Gelula • novelette
- Hastings—1066 • L. B. Rosborough • short story
- Love of Country • T. O'Conor Sloane • poem
- Subjugating the Earth • Walter Kateley • novella
- The Choice • Ralph Maughan • vignette
- Measuring a Meridian [Part 2 of 4] • Jules Verne • novel
Number 3Edit
July 1934
Cover art by Leo Morey
- Life Everlasting [Part 1 of 2] • David H. Keller • novella
- The Lost City [Part 3 of 3] • Milton R. Peril • novel
- Measuring a Meridian [Part 3 of 4] • Jules Verne • novel
- Beam Transmission [Bell & Pearson] • George H. Scheer • novelette
- The Four Dimensional Auto-Parker • Bob Olsen • novella
- Roadside Strategy • Charlie Mills • vignette
Number 4Edit
August 1934
Cover art by Leo Morey
- Life Everlasting [Part 2 of 2] • David H. Keller • novella
- Measuring a Meridian [Part 4 of 4] • Jules Verne • novel
- The Velocity of Escape [Donald Millstein] • Joe W. Skidmore • novella
- In the Footsteps of the Wasp • Stanton A. Coblentz • short story
- North God's Temple • Henry J. Kostkos • short story
- Shot Into Space • Isaac R. Nathanson • short story
- Photo Control • Bernard Brown • novelette
Number 5Edit
September 1934 (start transcription)
Cover art by Leo Morey
- The Moon Pirates [Part 1 of 2; Nez Hulan] • Neil R. Jones • novella
- The Plutonian Drug • Clark Ashton Smith • short story
- Through the Andes [Part 1 of 3] • A. Hyatt Verrill • novel
- The Master Minds of Venus • William K. Sonnemann • novella
- The Beam (Kaletsky) • Milton Kaletsky • short story
- The Barrier • Harl Vincent • short story
- The Molecule Trapper • Donald Matheson • short story
Number 6Edit
October 1934
Cover art by Leo Morey
- The Pool of Life • P. Schuyler Miller • novella
- The Moon Pirates [Part 2 of 2; Nez Hulan] • Neil R. Jones • novella
- Eighty-five and Eighty-seven • Eando Binder • short story
- Through the Andes [Part 2 of 3] • A. Hyatt Verrill • novel
- Buried in Space • Lawrence Smith • vignette
Number 7Edit
November 1934
Cover art by Leo Morey
- The Moon Waits • H. L. G. Sullivan • novella
- Noekken of Norway • Bob Olsen • short story
- Land of Twilight [Part 1 of 3] • Robert Page Preston • novella
- The First Flight • Joe W. Skidmore • short story
- Through the Andes [Part 3 of 3] • A. Hyatt Verrill • novel
Number 8Edit
December 1934
Cover art by Leo Morey
- The Rape of the Solar System • Leslie F. Stone • short story
- The Sunless World [Professor Jameson] • Neil R. Jones • novella
- Across Eternity • Stanton A. Coblentz • poem
- Beyond the Universe • Stanton A. Coblentz • short story
- Men Created for Death • Henry J. Kostkos • novelette
- Land of Twilight [Part 2 of 3] • Robert Page Preston • novella
- The Million-Dollar Gland [Dr. Wentworth] • W. Alexander • short story
Number 9Edit
January 1935 (start transcription)
Cover art by Leo Morey
- Conquest of the Planets [Part 1 of 3] • John W. Campbell • novella
- The World Aflame • Isaac R. Nathanson • novella
- Land of Twilight [Part 3 of 3] • Robert Page Preston • novella
- The Radio • Dix Van Dyke • poem
- A Epos of Posi and Nega [Posi & Nega] • Joe W. Skidmore • short story
- The Tale of the Atom • Philip Dennis Chamberlain • short story
Number 10Edit
February 1935
Cover art by Leo Morey
- Conquest of the Planets [Part 2 of 3] • John W. Campbell • novella
- Valley of the Rukh • Harl Vincent • novelette
- Seven Perils to Quiches • Joseph Wm. Skidmore • novelette
- Who Deserves Credit? • Bob Olsen • poem
- Island of White Mice [Taine of San Francisco] • David H. Keller • novelette
- The Thing in the Woods • Fletcher Pratt & B. F. Ruby • short story
- When Time Stood Still • Philip Jacques Bartel • short story
Number 11Edit
March 1935
Cover art by Leo Morey
- Earth Rehabilitators, Consolidated [Part 1 of 2] • Henry J. Kostkos • novella
- Interference • Max C. Sheridan • novelette
- Conquest of the Planets [Part 3 of 3] • John W. Campbell • novella
- Millions for Defense • Miles J. Breuer • short story
- Zora of the Zoromes [Professor Jameson] • Neil R. Jones • novella
- The Body Pirate • Ed Earl Repp • short story