July 1930
- Beyond the Heaviside Layer / S. P. Meek
- Earth, the Marauder (Part 1 of 3) / Arthur J. Burks
- From an Amber Block / Tom Curry
- The Terror of Air-Level Six / Harl Vincent
- The Forgotten Planet / Sewell Peaslee Wright
- The Power and the Glory / Charles Willard Diffin
- Murder Madness (Part 3 of 4) / Murray Leinster
