Lars Kepler is the pen name for a pair of writers who live in Stockholm, Sweden. Alexandra Coelho Ahndoril and Alexander Ahndoril are married and they have had successful careers as writers writing separately. In this interview they describe how they decided to collaborate on a series of thrillers that feature a Swedish police detective named Joona Linda. It wasn't easy at first but once they figured out how to write smoothly as a team the novels have been flowing and readers have been loving