by Isaac Asimov, Charles G. Waugh, Martin H. Greenberg, John D. Clarke, Fritz Leiber, Larry Niven, Edgar Allan Poe, Lester del Rey, Don Wilcox, Murray Leinster, Fitz-James O'Brien, Richard Matheson, H. G. Wells
Contains: Antimatter (1937) : Minus planet / John D. Clark, Ph. D. -- Clone (1952) : Yesterday house / Fritz Leiber -- Collapsed stars (1966) : Neutron star / Larry Niven -- Cosmic disaster (1839)…