Lightspeed

by John Joseph Adams, Vylar Kaftan, Jack McDevitt, David Barr Kirtley, Carrie Vaughn, Carol Emshwiller, Tobias S. Buckell, Genevieve Valentine, George R. R. Martin, Catherynne M. Valente, Tananarive Due, Adam-Troy Castro, Joe Haldeman, Yoon Ha Lee, Geoffrey Landis, Cat Rambo, Robert Silverberg, Sarah Langan, Joe R. Lansdale, John R. Fultz, Stephen King, Charles Yu, Caitlín R. Kiernan, Alice Sola Kim, Nancy Kress, Ted Kosmatka, Kristine Kathryn Rusch, David Tallerman, Ursula K. Le Guin, Corey Mariani, Susan Palwick, Tanith Lee, Orson Scott Card, Julie E. Czerneda, Ken Liu, James Patrick Kelly, Maggie Clark, Stephen Baxter, Nnedi Okorafor, Robert Reed, An Owomoyela, Bruce Sterling, Tom Crosshill, Anne McCaffrey, Eric Gregory, Tessa Mellas, Alastair Reynolds