| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1960 |
|
The Worlds of Clifford Simak | Simon & Schuster | Collection | 279 |
| August 1960 |
|
The Worlds of Clifford Simak | Simon & Schuster / SFBC | Collection | 224 |
| 1962 |
|
Other Worlds of Clifford Simak | Avon | Collection | 121 |
| February 1976 |
|
Roots of Evil: Beyond the Secret Life of Plants | Corgi Books | Anthology | 171 |
| April 1976 |
|
The Roots of Evil: Weird Stories of Supernatural Plants | Taplinger | Anthology | 171 |