The Best of the Nebulas by Samuel R. Delany and Harlan Ellison and Ursula K. Le Guin and Fritz Leiber and George R.R. Martin and Anne McCaffrey and Vonda N. McIntyre and Michael Moorcock and Robert Silverberg and Clifford D. Simak and Theodore Sturgeon and James Tiptree Jr. and John Varley and Roger Zelazny and Joanna Russ