A Twelvemonth and a Day
| First published | January 1960 |
|---|---|
| Type | Short Fiction |
| Length | Novella |
| Series | Technic History |
Expanded and republished into 'Let the Spacemen Beware!'.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1960 |
|
Fantastic Universe, January 1960 | Great American Publications, Inc. | MAGAZINE | 38 |
| September 2016 |
|
A Twelvemonth and a Day / Preferred Risk | Armchair Fiction | Omnibus |