Authors: Marc Hartzman

  • American Sideshow: An Encyclopedia of History’s Most Wondrous and Curiously Strange Performers — Marc Hartzman

    American Sideshow: An Encyclopedia of History’s Most Wondrous and Curiously Strange Performers — Marc Hartzman

  • The Talking Dead A Collection of Messages from Beyond the Veil, 1850s to 1920s — Marc Hartzman

    The Talking Dead A Collection of Messages from Beyond the Veil, 1850s to 1920s — Marc Hartzman

  • We Are Not Alone The Extraordinary History of UFOs and Aliens Invading Our Hopes, Fears, and Fantasies — Marc Hartzman

    We Are Not Alone The Extraordinary History of UFOs and Aliens Invading Our Hopes, Fears, and Fantasies — Marc Hartzman