Readers, please enjoy this guest blog post by Rich Newman, author of The Ghost Hunter's Field Guide, Ghost Hunting for Beginners, and the new Devil in the Delta. Thomas Edison, perhaps the most well-known American inventor of all time, invented a device for talking to the dead. A device that was never actually created, that nobody can find any notes or blueprints for, or was ever referenced by Edison without the use of tongue-in-cheek humor. So, where is it? Is the device something to be taken seriously or an elaborate joke played on the media by the inventor? At first glance, the latter would seem to be the case. Edison was known for his dry sense of humor, and playing a joke on a