George H. Scithers, Isaac Asimov, John Varley, Arthur C. Clarke, Larry Niven, Martin Gardner, Paula Smith, D. R. Bensen, Sally A. Sellers, Cam Thornley, Jack Williamson, Steve Perry, Jack C. Haldeman, Garry R. Osgood, Donald Gaither, Dean McLaughlin, Ted Reynolds, Nancy Kress, Reginald Bretnor, Brian W. Aldiss, Randall Garrett, Barry N. Malzberg, Michael Tennenbaum, Kevin O'Donnell, Jr, Jack L. Chalker · First published 1978
