23 books in series

The Mammoth Book of Best New Horror

The Mammoth Book of Best New Horror is a 23-book series with 23 released primary works first released in 1980 with contributions by Stephen Jones, Robert R. McCammon, Brian Lumley, Chet Williamson, Stephen Gallagher, Peter Straub, Robert Westall, Ian Watson, Cherry Wilder, Thomas Tessier, Steve Rasnic Tem, Michael Marshall Smith, Thomas Ligotti, Donald R. Burleson, K.W. Jeter, J.K. Comeau, Karl Edward Wagner, D.F. Lewis, Nicholas Royle, Richard Laymon, Elizabeth Hand, Alan Brennert, David L. Schow, Kathe Koja, Ian R. MacLeod, Poppy Z. Brite, Charles L. Grant, Grant Morrison, David A. Sutton, Joel Lane, Harlan Ellison, F. Paul Wilson, Jean-Daniel Brèque, Douglas Clegg, Garry Kilworth, Jonathan Carroll, S.P. Somtow, Dennis Etchison, Gene Wolfe, Gahan Wilson, and Kim Newman.