Introduction: The First Century of Science Fiction - essay by Isaac Asimov The Sandman - novelette by E. T. A. Hoffmann (trans. of Der Sandmann 1816) The Mortal Immortal - short story by Mary Shelley A Descent Into the Maelstrom - short story by Edgar Allan Poe (variant of A Descent Into the Maelström) Rappaccini's Daughter - novelette by Nathaniel Hawthorne The Clock That Went Backwards - short story by Edward Page Mitchell Into the Sun - short story by Robert Duncan Milne A Tale of Negative Gravity - novelette by Frank R. Stockton The Horla, or Modern Ghosts - novelette by Guy de Maupassant (trans. of Le Horla 1887) The Shapes - novelette by J. H. of Les Xipéhuz) To Whom This May Come - short story by Edward Bellamy The Great Keinplatz Experiment - short story by Arthur Conan Doyle In the Abyss - short story by H. G. Wells The Thames Valley Catastrophe - short story by Grant Allen The Lizard - short story by C. J. Cutcliffe Hyne A Thousand Deaths - short story by Jack London