9 books in series

The Year's Best Science Fiction

The Year's Best Science Fiction is a 9-book series with 9 primary works first released in 1973 with contributions by Nancy Kress, Geoff Ryman, Michael Swanwick, Paul Melko, M. Shayne Bell, Vernor Vinge, Harry Turtledove, John C. Wright, James Van Pelt, Geoffrey A. Landis, Kage Baker, Robert Reed, William Shunn, Dominic Green, Paul Di Filippo, Terry Dowling, Nicholas A. DiChario, Terry Bisson, John Varley, Judith Moffett, Howard Waldrop, Kristine Kathryn Rusch, William Barton, John Kessel, Charles Stross, Steven Popkes, Walter Jon Williams, Paolo Bacigalupi, Jack Skillingstead, Robert Charles Wilson, Sarah Monette, Elizabeth Bear, Steven Gould, Albert E. Cowdrey, Nicola Griffith, Michael Poore, Vandana Singh, Ted Kosmatka, Damien Broderick, Adam Roberts, Karl Bunker, Paul Cornell, Chris Roberson, Ian Creasey, Ian McDonald, Maureen F. McHugh, John Barnes, Bruce Sterling, Paul McAuley, Alexander C. Irvine, Jay Lake, Peter Watts, Lavie Tidhar, Mary Rosenblum, Jo Walton, Rand B. Lee, and Gardner Dozois.