| Captain Future and the Space Emperor Captain Future Pulp Magazine Winter, 1940 (Series No. 1) |
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| Calling Captain Future Captain Future Pulp Magazine Spring, 1940 (Series No. 2) |
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| Captain Future's Challenge Captain Future Pulp Magazine Summer, 1940 (Series No. 3) |
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| The Triumph of Captain Future (Galaxy Mission) Captain Future Pulp Magazine Fall, 1940 (Series No. 4) |
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| The Magician of Mars Captain Future Pulp Magazine Fall, 1940 (Series No. 7) |
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| Quest Beyond the Stars Captain Future Pulp Magazine Winter, 1942 (Series No. 9) |
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| Outlaws of the Moon Captain Future Pulp Magazine Spring, 1942 (Series No. 10) |
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| The Comet Kings Captain Future Pulp Magazine Summer, 1942 (Series No. 11) |
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| Planets in Peril Captain Future Pulp Magazine Fall, 1942 (Series No. 12) |
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| Days of Creation (The Tenth Planet) Captain Future Pulp Magazine Spring, 1944 (Series No. 17) |
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| Red Sun of Danger Danger Planet Startling Stories Spring, 1945 (Series No. 18) |
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| Outlaw World Startling Stories Winter, 1946 (Series No. 19) |
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| The Solar Invasion Startling Stories Fall, 1946 (Series No. 20) |
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