Lake Saint Louis Police Chief Michael Force and Assistant Chief Chris Digiusepppi spoke to a packed room Wednesday at in Wentzville.
The authors talked about their collaboration and how the idea for the book, The Light Bringer, developed. They then answered questions including a query about the book becoming a movie.
Force said that there had been some very early interest in developing a movie or TV series based on the book, but nothing is confirmed.
The Shelf Awareness website has The Light Bringer listed as the Number Eight seller for the St. Louis area. The supernatural suspense novel was sold out on the day of its release, July 1.