Makes use of a device that can only be described as a wormhole, though it's not called so. Through it a strange and horrifying lifeform runs loose alongside with the point of focus.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1981 |
|
Isaac Asimov's Science Fiction Magazine, August 3, 1981 | Davis Publications | MAGAZINE | 66 |
| January 1982 |
|
A Better Mantrap | Gollancz | Collection | 7 |
| March 1983 |
|
Isaac Asimov's Aliens & Outworlders | Davis Publications | Anthology | 266 |
| April 1983 |
|
Isaac Asimov's Aliens & Outworlders | The Dial Press | Anthology | 266 |
| March 1984 |
|
A Better Mantrap | Panther / Granada | Collection | 7 |
| September 2011 |
|
A Better Mantrap | Gateway / Orion | Collection |