The author of the book “The Intersection of Purgatory and Paradise” is A.J. Thomas. “The Intersection of Purgatory and Paradise” is the 3rd book in the “Least Likely Partnership” series. The main characters of the story are Christopher Hayes and Dog Heavy Runner. Here Christopher Hayes is a former San Diego homicide detective and Doug Heavy Runner is a deputy sheriff. They live in a small town Montana. Their peaceful life is disrupted when the body of one of the boys Christopher hates and who bullies Christopher is found in Doug’s garage.