How could a man tell the difference if all the reality of Earth turned out to be a cosmic hoax? Suppose it turned out that this was just a stage set for students of history?
Philip K. Dick, H.G. Wells, Kurt Vonnegut, Randall Garrett, Jack London, Isaac Asimov, Edgar Rice Burroughs, Arthur Conan Doyle, Ayn Rand & Rudyard Kipling
Fritz Leiber, C.M. Kornbluth, Darrell Schweitzer, Robert Sheckley, Fredric Brown, Alfred Bester, Lawrence Watt-Evans, Randall Garrett, Nina Kiriki Hoffman, Robert Silverberg, Murray Leinster, Tom Purdom, Philip K. Dick, Jerry Sohl, Pamela Rentz, Henry Kuttner, Frank Belknap Long, Poul Anderson, Mack Reynolds, James Blish, Ben Bova, Myron R. Lewis & Marion Zimmer Bradley
Robert Silverberg, Richard A. Lupoff, Samuel R. Delany, Reginald Bretnor, Marion Zimmer Bradley, Algis Budrys, Fredric Brown, John Gregory Betancourt, Poul Anderson, Randall Garrett, Lester del Rey & Ben Bova
Philip K. Dick, C. L. Moore, Isaac Asimov, Bryce Walton, Poul Anderson, William Morrison, Robert Sheckley, Randall Garrett, Lester del Rey, Jerry Sohl, Alan E. Nourse, Mike Lewis, C. M. Kornbluth, Frank M. Robinson, H. B. Fyfe, George O Smith, Damon Knight, Henry Kuttner, H. Beam Piper & Warren Lapine
H. Beam Piper, Andre Norton, Harry Harrison, Frederik Pohl, Murray Leinster, H. B. Fyfe, Poul Anderson, Alfred Coppel, Marion Zimmer Bradley, Philip Kindred Dick, Warren Lapine, Allen M. Steele, Peter Michael Sherman, Algis Budrys, Ken Brady, Larry Shaw, Evelyn E. Smith, Robert Sheckley, Bryce Walton, Brenda W. Clough, Charles Dye, Judith Merril, Jay O'Connell, Katherine MacLean, Randall Garrett, Jerome Bixby, Henry Josephs, C. L. Moore & Jamie Wild