Isaac Asimov, Martin H. Greenberg, Joseph D. Olander, Donald Franson, Norman E. Hartman, Jack Ritchie, Charles E. Fritch, Phyllis Eisenstein, Fredric Brown, Robert Mattingly, Barry N. Malzberg, Jack Dann, George Zebrowski, Charles Sheffield, George H. Smith, Robert F. Decker, Harry Harrison, Richard Wilson, T. E. D. Klein, Richard K. Lyon, Arthur C. Clarke, Patricia Matthews, Alan Brennert, James Tiptree, Jr., Anthony Boucher, Bob Shaw, Walt Liebscher, Mack Reynolds, A. E. van Vogt, Paul Dellinger, Harlan Ellison, Henry Slesar, Ron Montana, Joanna Russ, Theodore Cogswell, Marcia Martin, Eric Vinicoff, Edward Bryant, Garen Drussaï, William F. Nolan, Helen M. Urban, Robert Silverberg, Alice Laurance, Robert Sheckley, Charles A. Spano Jr., Craig Strete, Rick Conley, Manly Wade Wellman, Dennis R. Caro, Eric Frank Russell, Robert Payes, Fritz Leiber, Ray Russell, Roberta Ghidalia, Sherwood Springer, Joseph F. Patrouch, Roland J. Green, H. L. Gold, Jan Howard Finder, Ruth Berman, James E. Gunn, Philip José Farmer, Bill Pronzini, Arthur Tofte, F. M. Busby, Paul J. Nahin, James A. Stevens, Rachel Cosgrove Payes, Juleen Brantingham, Maggie Nadler, Lester del Rey, Larry Niven, Edward Wellen · First published 1980
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