Potential futures discussed in sci-fi fascinating, and this book combines societies from the past, with intervention from the future. There are some parts I found to be unrealistic (with reference to human behaviour) but overall a good read.
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
Edwin A. Abbott, Edgar Rice Burroughs, John Wood Campbell, Raymond King Cummings, Arthur Conan Doyle, Tom Godwin, Andre Norton, H. Beam Piper, Mack Reynolds, Mary Shelley, E.E. Doc Smith, Jules Verne & H.G. Wells
H. B. Fyfe, Milton Lesser, Arthur Dekker Savage, August Derleth, Alan E. Nourse, James Blish, James Mckimmey, Jr., Warren Lapine, Keith Laumer, Mari Wolf, Boyd Ellanby, Alvin Heiner, Don Berry, Mack Reynolds, Kenneth O'Hara, Dave Dryfoos, Jim Harmon, Mark Clifton, R. A. Lafferty, Russ Winterbotham, Richard Wilson, Alex Apostolides, Alfred Coppel, Frank M. Robinson, Ralph Sholto, Russell Burton, Robert Moore Williams, Charles Fontenay, Winston Marks, Jerome Bixby, Andersen Horne, L. Major Reynolds & J. F. Bone
Milton Lesser, Edmond Hamilton, Boyd Ellanby, Alfred Coppel, Mack Reynolds, Philip K. Dick, Winston Marks, Warren Lapine, Kris Neville, Robert E. Gilbert, Morris Hershman, Daniel F. Galouye, Paul W. Fairman, C. H. Thames, Robert W. Haseltine, Arnold Marmor, Russ Winterbotham, Irving Cox, Jr., Tom W. Harris, Harry Warner, Jr., Dick Purcell, T. D. Hamm, Charles V. De Vet & Alexander Blade
Alan E. Nourse, Philip José Farmer, Frank Belknap Long, Robert E. Howard, Evelyn E. Smith, Carl Jacobi, Marion Zimmer Bradley, Warren Lapine, Theodore Pratt, Joe Archibald, Roger Arcot, Walter M. Miller Jr, Michael Shaara, Thomas J. O'Hara, Alex James, Robert J. Shea, William F. Nolan, V. R. Francis, Edward S. Staub, John Victor Peterson, Mack Reynolds, Fredric Brown, Allan Howard, Dean Evans, Mann Rubin, Albert Hernhuter, Sam Merwin Jr., Arthur G. Stangland, Joe L. Hensley, J. Anthony Ferlaine, Dorothy De Courcy, John De Courcy, Basil Wells & Nelson Bond
Mark Clifton, Alex Apostolides, C. M. Kornbluth, Jerome Bixby, Russell Burton, Walter Bupp, Raymond Jones, Arthur Feldman, Murray Leinster, Allan Danzig, Bradner Buckner, Stephen Barr, Mack Reynolds, Milton Lesser, Sterner Meek, Frank Banta, Frank Herbert, H. Beam Piper, Francis Stevens, Fritz Leiber, James Schmitz & Robert Abernathy
H. Beam Piper, Fritz Leiber, Mack Reynolds, Keith Laumer, Milton Lesser, C. H. Liddell, Ron Cocking, Kenneth O'Hara, Frank Quattrocchi, Joe Archibald, Stephen Barr, Stanton Coblentz, Lester del Rey, C. M. Kornbluth, Evelyn E. Smith, Frederik Pohl, August Derleth, Algis Budrys, Murray Leinster & Frederic Brown
John Betancourt, Michael Bracken, Mack Reynolds, Keith Laumer, Erle Stanley Gardner, Brian Evenson, Hal Charles, Ralph Milne Farley, Harry Stephen Keeler & James Holding
