| Original Language | English |
| First published | 1942-08 |
| Links | Publication credits |
| Notes | Novella that was originally published in <i><a href="/c/books/credit/71362/astounding-science-fiction/">Astounding Science Fiction</a></i>. |
Editions 1
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Waldo & Magic, Inc. | The New American Library, Inc. | Paperback | English | United States | 1970-01 |