Marc Hartzman is the author of The Embalmed Head of Oliver Cromwell: A Memoir (Curious Publications), American Sideshow: An Encyclopedia of History’s Most Wondrous and Curiously Strange Performers (Tarcher/Penguin); God Made Me Do It: True Stories of the Worst Advice the Lord Has Ever Given His Followers (Sourcebooks); Found on eBay: 101 Genuinely Bizarre Items From the World’s Online Yard Sale (Universe/Rizzoli); and The Anti-Social Network Journal: A Private Place For All the Thoughts, Ideas and Plans You Don’t Want To Share (Knock Knock). In addition, Hartzman has been a contributor to the Weird News sections of AOL and The Huffington Post. He maintains a career as an award-winning Group Creative Director at a New York advertising agency.