 He says he was inspired to write the book many years ago after an incident with a friend. I was afraid of Bigfoot, so he invited me to go outside, and I walked out, and he closed the door right behind me and left me outside for five minutes, and I'm completely freaked out, in the complete darkness, and so that kind of sent me down this rabbit hole of interest in the paranormal and unsolved mysteries. Zell says a portion of the book came from newspaper articles about such items from South Carolina to Mississippi.