Meet JP O’Donnell, a retired dentist and professor who decided to take a crack at writing a captivating detective novel.  He did, with two more to follow.  JP (aka Joe) has written “Fatal Gamble,” “Deadly Codes,” and “Pulse of My Heart,” all of them featuring a tough Boston PI named Gallagher.  Joe has enjoyed much success with the books and was lucky enough to attract the attention of Hollywood.  A feature length motion pictured called “Bent” (2018) was produced based on a combination of plot points in the novels.  The film starred Karl Urban and Sofia Vergara.