6 books in series

The Year's Best Dark Fantasy & Horror

The Year's Best Dark Fantasy & Horror is a 6-book series with 6 primary works first released in 2009 with contributions by Suzy McKee Charnas, Kelley Armstrong, Holly Black, Ramsey Campbell, Caitlín R. Kiernan, Joe R. Lansdale, Stewart O'Nan, Sarah Pinborough, Norman Prentiss, Barbara Roden, Lucius Shepard, Peter Straub, Michael Shea, Kelly Link, Ekaterina Sedia, Catherynne M. Valente, Gerard Houarner, Gemma Files, Kurt Dinan, Elizabeth Bear, Roby Davies, Maura McHugh, Dale Bailey, Deborah Biancotti, Gary McMahon, Holly Phillips, John Mantooth, Marc Laidlaw, Margo Lanagan, Michael Marshall Smith, Nadia Bulkin, Nathan Ballingrud, Paul Tremblay, Peter Atkins, Sarah Monette, Seth Fried, Stephen Graham Jones, Steve Duffy, Steve Rasnic Tem, John Langan, M.L.N. Hanover, Jay Lake, Tanith Lee, George R.R. Martin, John Shirley, Norman Partridge, Tim Powers, Simon R. Green, Lynda E. Rucker, Michael Skeet, Angela Slatter, Sarah Totton, S.D. Tullis, Genevieve Valentine, Peter Watts, Gene Wolfe, Michael Aronowitz, Neil Gaiman, M.K. Hobson, Steve Berman, Laird Barron, Sarah Langan, Maureen F. McHugh, Paula Guran, and Damien Angelica Walters.