The Year's Best Science Fiction: Twenty-Ninth Annual Collection by Dave Hutchinson, Geoff Ryman, David Moles, Tom Purdom, Ian R. MacLeod, David Klecha, Tobias S. Buckell, Robert Reed, Gwyneth Jones, Lavie Tidhar, Carolyn Ives Gilman, Pat Cadigan, Michael Swanwick, Gardner Dozois, Paul McAuley, Michael Flynn, Damien Broderick, Yoon Ha Lee, Jim Hawkins, Alec Nevala-Lee, Peter M. Ball, Chris Lawson, Paul Cornell, Kij Johnson, Elizabeth Bear, John Barnes, Peter S. Beagle, Stephen Baxter, Ian McDonald, Alastair Reynolds, Catherynne M. Valente, Jay Lake, Karl Schroeder, Maureen F. McHugh, Ken MacLeod, Stephen Laws