| Original Language | English |
| First published | 1972-02 |
| Links | http://www.isfdb.org/cgi-bin/title.cgi?41368 |
| Notes | Novelette that appeared in The Magazine of Fantasy & Science Fiction February, 1972. © 1971 by Mercury Press, Inc Winner of Best Novelette Hugo Award and Nebula Award in 1973 |
Editions 1
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | The 1973 Annual World's Best SF | Hardback | English | New York, NY | 1973 |