 and has written books about sideshow performers, Oliver Cromwell's head, weird things on eBay, and unorthodox messages from the man upstairs. Artsman's work has also appeared in Mental Floss, Bazaar, and other publications, and he has been a featured speaker at various events, including Explore Mars Humans to Mars Summit in Washington, D.C., the Coney Island Congress of Curious People, New York's Comic-Con,