! SCHEDA DOPPIA - Catastrofi! by Alfred Coppel, Arthur C. Clarke, Ben Bova, C. M. Kornbluth, Chad Oliver, Clark Ashton Smith, Edmond Hamilton, Edward Wellen, Fritz Leiber, Harlan Ellison, Harry Harrison, Isaac Asimov, Larry Niven, Lloyd Biggle Jr., Raymond Z. Gallun, Robert Sheckley, Robert Silverberg, Ursula K. Le Guin, Walter M. Miller jr., William Tenn
