| The Year's Best Science Fiction: Twenty-First Annual Collection | |
|---|---|
| Author(s) | Edited by Gardner Dozois |
| Country | United States |
| Language | English |
| Series | The Year's Best Science Fiction |
| Genre(s) | Science fiction anthology |
| Publisher | St. Martin's Griffin |
| Publication date | 2004 |
| Media type | Print (Hardcover and Paperback) |
| Pages | 665 pp |
| ISBN | ISBN 978-0312-32478-0 (hardcover); ISBN 978-0-312-32479-7 (paperback) |
| OCLC Number | 55801735 |
| Preceded by | The Year's Best Science Fiction: Twentieth Annual Collection |
| Followed by | The Year's Best Science Fiction: Twenty-Second Annual Collection |
The Year's Best Science Fiction: Twenty-First Annual Collection (ISBN 978-0312-32478-0) is a science fiction anthology edited by Gardner Dozois that was published in 2004. It is the 21st in The Year's Best Science Fiction series.
The book includes a 28-page summation by Dozois; 29 stories, all that first appeared in 2003, and each with a two-paragraph introduction by Dozois; and an eleven-page referenced list of honorable mentions for the year. The stories are as follows.