The Annual World's Best SF was a series of annual paperback anthologies published by American company DAW Books from 1972 to 1990 under the editorship of publisher Donald A. Wollheim and Arthur W. Saha from 1972 to 1990. Some volumes were also issued in hardcover through the Science Fiction Book Club. It was a continuation of the earlier anthology series World's Best Science Fiction, edited by Wollheim and Terry Carr, published from 1965 to 1971 by Ace Books (Carr also issued his own separate continuation, The Best Science Fiction of the Year, from 1972 to 1987.) DAW also issued the companion series The Year's Best Horror Stories from 1971 to 1994, and The Year's Best Fantasy Stories from 1975 to 1988.