This is a good story.<p>Manybooks has it in a variety of ebook formats (<a href="http://manybooks.net/titles/forstereother07machine_stops.html" rel="nofollow">http://manybooks.net/titles/forstereother07machine_stops.htm...</a>).<p>Librivox has produced an audiobook version as well (<a href="http://www.archive.org/details/machine_stops_librivox" rel="nofollow">http://www.archive.org/details/machine_stops_librivox</a>).