Mack Reynolds: Not In the Rules: A planet's strength was determined in the Arena where brute force emerged victorious. But the Earthman chose a forgotten weapon—strategy!
Richard Stockham, Robert Silverburg, Dave Dryfoos, Darius John Granger, Mack Reynolds, R. R. Merliss, Alan Nourse, Richard O. Lewis, Charles A. Sterns & Murray Leinster
Philip K. Dick, Ray Bradbury, Frederik Pohl, Alan E. Nourse, Stanley Mullen, Evan Hunter, Irving Cox, Jr., James Mckimmey, Jr., Richard Magruder, Mack Reynolds, Joseph Slotkin, Winston Marks, Frank M. Robinson & Richard O. Lewis
Philip K. Dick, Evan Hunter, Stanley Mullen, Richard Magruder, Joseph Slotkin, Winston Marks, Alan E. Nourse, Malcolm B. Morehart Jr., John Massie Davis, Charles E. Fritch, Mack Reynolds, Irving Cox, Jr. & Milton Lesser
Philip K. Dick, Ray Bradbury, Alan E. Nourse, Damon Knight, Arnold Castle, Russ Winterbotham, Winston Marks, Milton Lesser, John Massie Davis, Charles E. Fritch, James Mckimmey, Jr., William Morrison, Irving Cox, Jr., Alexander Blade, Mack Reynolds, Malcolm B. Morehart Jr., R. R. Winterbotham, Rog Phillips & Richard S. Shaver
Philip K. Dick, Ray Bradbury, Damon Knight, Arnold Castle, Russ Winterbotham, Winston Marks, Irving Cox, Jr., Richard Magruder, Evan Hunter, Malcolm B. Morehart Jr., Mack Reynolds, Frank M. Robinson, Alexander Blade, Milton Lesser, John Massie Davis, Charles E. Fritch, James Mckimmey, Jr., William Morrison, Stanley Mullen, Richard S. Shaver, Richard O. Lewis, Alan E. Nourse & Joseph Slotkin
Philip K. Dick, Mack Reynolds, James Mckimmey, Jr., Winston Marks, John Massie Davis, Russ Winterbotham, Richard Magruder, Malcolm B. Morehart Jr., Stanley Mullen, Charles E. Fritch, William Morrison, Joseph Slotkin & Alan E. Nourse
Harlan Ellison, Rog Phillips, Damon Knight, Robert Silverberg, Alfred Coppel, Winston Marks, Darius John Granger, Alan E. Nourse, James Mckimmey, Jr., S. J. Sackett, William Morrison, Philip K. Dick, Russ Winterbotham, Mack Reynolds, Richard S. Shaver & Erik Fennel
Isaac Asimov, Andre Norton, Arthur C. Clarke, Ray Bradbury, Fredric Brown, Leigh Brackett, Henry Hasse, Alfred Coppel, Robert F. Young, Carl Jacobi, Clifford D. Simak, Murray Leinster, Keith Laumer, Evelyn E. Smith, Margaret St. Clair & Mack Reynolds
Fredric Brown, Arthur C. Clarke, Alfred Coppel, Clifford D. Simak, Ray Bradbury, Gene L. Henderson, Richard Matheson, Margaret St. Clair, Philip K. Dick, Isaac Asimov, Robert Sheckley, Lyn Venable, Andre Norton, Frank M. Robinson, Lawrence M. Jannifer, Robert Silverberg, Mack Reynolds & Evelyn E. Smith
Mack Reynolds, Rog Phillips, Ray Bradbury, Erik Fennel, Jack McKenty, Fredric Brown, Frederik Pohl, Charles L. Fontenay, Poul Anderson, William Morrison, H. B. Fyfe, Henry Slesar, Richard R. Smith & Harry Harrison
William F. Nolan, Robert Zacks, Isaac Asimov, Ray Bradbury, Mary Shelley, Mack Reynolds, Edward Halibut, Leigh Brackett, Robert F. Young, Fredric Brown, Robert Silverberg, Jack Williamson, William Hope Hodgson, Evelyn E. Smith, Gordon R. Dickson, Theodore Sturgeon, Clifford D. Simak, Arthur C. Clarke, Lyn Venable, Robert A. Heinlein, August Derleth, Lawrence M. Jannifer, Ambrose Bierce, Henry Kuttner, Allen K Lang, Carl W. Ganzlin, H. G. Wells, Margaret St. Clair, Carl Jacobi, Philip K. Dick, Andre Norton, Murray Leinster, Ross Rocklynne, Harry Harrison, Frank M. Robinson & Alfred Coppel
William Morrison, Malcolm B. Morehart Jr., Philip K. Dick, Alexander Blade, Mack Reynolds, Winston Marks, John Massie Davis, R. R. Winterbotham, Evan Hunter, Irving Cox, Jr., Damon Knight, Richard O. Lewis & Ray Bradbury
Arthur C. Clarke, Clifford D. Simak, Ray Bradbury, Harry Harrison, Frederik Pohl, Jack Vance, Robert Silverberg, Fritz Leiber, Isaac Asimov, Fredric Brown, Mack Reynolds & Andre Norton
