Asimov's Science Fiction, April/May 2013

by Sheila Williams, Neal Asher, Joel Richards, Colin P. Davies, Alan Wall, Tom Purdom, Linda Nagata, Karl Bunker, Naomi Kritzer, Leah Cypess, Robert Frazier, William John Watkins, Danny Adams, Geoffrey A. Landis, David C. Kopaska-Merkel, Igor Teper, Sara Backer, Robert Silverberg, James Patrick Kelly, Norman Spinrad, Erwin S. Strauss, Ken Liu