Flying saucers
by Isaac Asimov, Martin H. Greenberg, Charles G. Waugh, Algis Budrys, A. Bertram Chandler, Arthur C. Clarke, Edmund Cooper, Avram Davidson, Larry Eisenberg, Howard Fast, Donald Franson, Randall Garrett, Joe Haldeman, Raymond F. Jones, Leo P. Kelley, Frank Belknap Long, Mack Reynolds, Carol-Lynn Rössel Waugh, Eric Frank Russell, Will Stanton, Theodore Sturgeon, ,