There's an audio version on Escape Pod, if you're unwilling to read this very cool story: http://escapepod.org/2009/09/10/ep215-mr-penumbras-twenty-four-hour-bo

There's an audio version on Escape Pod, if you're unwilling to read this very cool story: http://escapepod.org/2009/09/10/ep215-mr-penumbras-twenty-four-hour-book-store/ http://escapepod.org/2009/09/10/ep215-mr-penumbras-twenty-fo... (Rated G. May contain creepy imagery and disturbing data visualizations. Free, CC-licensed. Escape Pod is awesome.)