Mysterious America is a 1983 work by Loren Coleman, dealing primarily with cryptids of North America, as well as non-cryptozoological entities such as phantom clowns and the Mad Gasser of Mattoon. Updated and revised editions have been published twice, as Mysterious America: The Revised Edition (2001) and Mysterious America: The Ultimate Guide to the Nation's Weirdest Wonders, Strangest Spots, and Creepiest Creatures (2007)