Contents (view Concise Listing)

• 2 • Life on Jupiter • (1940) • essay by unknown [as by Henry Gade]
• 4 • The Vanishing Spaceman • (1947) • novelette by Richard S. Shaver [as by Alexander Blade]
• 4 •  The Vanishing Spaceman • (1947) • interior artwork by Julian S. Krupa
• 20 • The Cosmic Deflector • (1943) • short story by Stanton A. Coblentz
• 20 •  The Cosmic Deflector • (1943) • interior artwork by Brady
• 34 • Enigma of the City • (1943) • novelette by Chester S. Geier
• 34 •  Enigma of the City • (1943) • interior artwork by Ned Hadley
• 60 • Visitor to Earth • (1943) • short story by William P. McGivern [as by P. F. Costello]
• 60 •  Visitor to Earth • (1943) • interior artwork by Magarian
• 74 • Warlord of Peace • (1947) • short story by Leroy Yerxa
• 75 •  Warlord of Peace • (1947) • interior artwork by Robert Fuqua
• 82 • The Third Bolt • (1947) • novelette by Frances M. Deegan
• 82 •  The Third Bolt • (1947) • interior artwork by Julian S. Krupa
• 98 • Secret of the Yellow Crystal • (1948) • novelette by Chester S. Geier [as by Guy Archette]
• 98 •  Secret of the Yellow Crystal • (1948) • interior artwork by Julian S. Krupa
• 118 • The Prop • (1947) • short story by William L. Hamling [as by William Lawrence Hamling]
• 118 •  The Prop • (1947) • interior artwork by Julian S. Krupa