An alien spore lands on Earth and begins to absorb nutrients. As it grows it regains its memory and intelligence, but both are dwarfed by its expanding appetite.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1955 |
|
Science Fiction Terror Tales | Gnome Press | Anthology | 43 |
| March 1955 |
|
Science Fiction Terror Tales | Pocket Books | Anthology | 43 |
| June 1960 |
|
Notions: Unlimited | Bantam Books | Collection | 12 |
| November 1968 |
|
Notions: Unlimited | Bantam Books | Collection | 12 |
| November 1968 |
|
Notions: Unlimited | Bantam Books | Collection | 12 |
| September 1969 |
|
Science Fiction Terror Tales | Pocket Books | Anthology | 43 |
| April 1970 | Science Fiction Terror Tales | Pocket Books | Anthology | 43 | |
| November 1979 |
|
The Status Civilization and Notions: Unlimited | Ace Books | Omnibus | 225 |
| September 1991 |
|
The Collected Short Fiction of Robert Sheckley | Pulphouse Publishing | Omnibus | 2-205 |
| September 1991 | The Collected Short Fiction of Robert Sheckley: Book Two | Pulphouse Publishing | Collection | 205 | |
| July 1992 |
|
The Collected Short Fiction of Robert Sheckley: Book Two | Pulphouse Publishing | Collection | 205 |
| August 2005 |
|
The Masque of Mañana | NESFA Press | Collection | 17 |
| December 2005 |
|
The Masque of Mañana | NESFA Press / SFBC | Collection | 17 |
| August 2008 |
|
The Masque of Mañana | NESFA Press | Collection | 17 |
| November 2010 |
|
Short Science Fiction Collection 42 | LibriVox | Anthology | |11 |
| December 2010 |
|
Robert Sheckley Resurrected: The Early Works of Robert Sheckley | Resurrected Press | Collection | 17 |
| November 2014 |
|
Notions: Unlimited | Gateway / Orion | Collection | |
| October 2016 |
|
Things from Outer Space | Baen Books | Anthology | 399 |
| 2018 |
|
Black Infinity, Winter 2018 | Rocket Science Books | MAGAZINE | 21 |