The editor would like to thank the following people for their help and support: Jonathan Strahan, Sean Wallace, Neil Clarke, Gordon Van Gelder, C. C. Finlay, Andy Cox, John Joseph Adams, Ellen Datlow, Sheila Williams, Trevor Quachri, Nick Gevers, Peter Crowther, Bryan Thomas Schmidt, William Shaffer, Ian Whates, Paula Guran, Liza Trombi, Robert Wexler, Patrick Nielsen Hayden, Joseph Eschrich, Jonathan Oliver, Stephen Cass, Lynne M. Thomas, Gavin Grant, Kelly Link, Katherine Canfield, Ian Redman, Wendy S. Delmater, Beth Wodzinski, E. Catherine Tobler, Carl Rafala, Emily Hockaday, Edmund R. Schubert, Alma Alexander, Atena Andreads, Nick Wood, Joanne Merriam, Mike Allen, David Brin, Richard Thomas, Rich Horton, Mark R. Kelly, Tehani Wessely, Navah Wolfe, Lucus Law, Dominik Parisien, Aliette de Bodard, Robert Reed, Alastair Reynolds, Lavie Tidhar, Rich Larson, Bill Johnson, Carter Scholz, Ian McHugh, Eleanor Arnason, Katherine Canfield, Michael F. Flynn, R. S. Benedict, Kelly Robson, Indrapramit Das, Nancy Kress, Michael Swanwick, Greg Egan, James S. A. Corey, Naomi Kritzer, Maureen F. McHugh, Linda Nagata, Ray Nayler, Jessica Barber and Sara Saab, Jaine Fenn, Silvia Moreno-Garcia, Harry Turtledove, Bruce Sterling, Suzanne Palmer, Kelly Jennings, Jack Skillingstead and Burt Courier, Sean McMullen, Tobias S. Buckell, Vina Jie-Min Prasad, Alec Nevala-Lee, Madeline Ashby, Finbarr O’Reilly, Karl Schroeder, Kathleen Ann Goonan, James Van Pelt, Gregory Frost, Sean Wallace, Brenda Cooper, Maggie Clark, Martin L. Shoemaker, Joe Pitkin, David Hutchinson, Gregor Hartmann, Sam J. Miller, Gwyneth Jones, Sarah Pinsker, Yoon Ha Lee, Jack McDevitt, Damien Broderick, Eric Brown, Jim Burns, Vaughne Lee Hansen, Mark Watson, Sean Swanwick, Jamie Coyne, and special thanks to my own editor, Marc Resnick.
Thanks are also due to the late, lamented Charles N. Brown, and to all his staff, whose magazine Locus [Locus Publications, P.O. Box 13305, Oakland, CA 94661. $63 in the U.S. for a one-year subscription (twelve issues) via periodical mail; $76 for a one-year (twelve issues) via first-class credit card orders (510) 339-9198] was used as an invaluable reference source throughout the Summation; Locus Online (www.locusmag.com), edited by Mark R. Kelly, has also become a key reference source.