Who Writes Science Fiction?, ed. Charles Platt, Savoy, 1981 trade p/b (with M.M. interview), 1st ed. thus.

Other contributors: Isaac Asimov, Thomas M. Disch, Ben Bova, Kurt Vonnegut Jr., Hank Stine, Norman Spinrad, Frederik Pohl, Samuel R. Delany, Barry N. Malzberg, Edward Bryant, Alfred Bester, C.M. Kornbluth, Algis Budrys, Philip José Farmer, A.E. Van Vogt, Philip K. Dick, Harlan Ellison, Ray Bradbury, Robert Sheckley, Frank Herbert, Damon Knight, Kate Wilhelm, J.G. Ballard, E.C. Tubb, Ian Watson, John Brunner, Gregory Benford, Robert Silverberg, Brian W. Aldiss.