- Auth/Ed: John W. Campbell, Jr.
- Year: 1941
- Price: $0.20
- Pages: 162
- Cover: Hubert Rogers
| Novelettes | |
| Common Sense | Robert A. Heinlein |
| By His Bootstraps | [as Anson MacDonald] Robert A. Heinlein |
| Short Stories | |
| Two Percent Inspiration | Theodore Sturgeon |
| Not Final! | Isaac Asimov |
| Manic Perverse | Winston K. Marks |
| Essays/Articles | |
| The Sea King's Armored Division (Part 2) | L. Sprague de Camp |