World's Best Science Fiction: 1966

World's Best Science Fiction: 1966 is an anthology of science fiction short stories edited by Donald A. Wollheim and Terry Carr, the second volume in a series of seven. It was first published in paperback by Ace Books in 1966. It was reprinted by the same publisher in 1970 under the alternate title World's Best Science Fiction: Second Series. An Italian edition appeared in December 1966 under the title Il vento del sole.