by Stephen Baxter
Generation starship novella.
In addition to its stand-alone volume, this title was published in the follow books. It can be rated independently of any volumes containing it.
Best Short Novels: 2005 (2005)
by Jonathan Strahan
Anthology, 592 pages
Part of the Best Short Novels series.
The Year's Best Science Fiction: Twenty-Second Annual Collection (2005)
by Gardner Dozois
Anthology, 663 pages
Part 22 of the The Year's Best Science Fiction series.