“The Alaska Sanders Case” is a new novel by Joël Dicker, the author of the bestseller “The Truth About the Harry Quebert Affair.” This book tells of a sensational murder that took place in a small town in New Hampshire. Sergeant Perry Gahalowood investigates and closes the case when the suspects confess to the murder. However, eleven years later, an anonymous message arrives that forces him to return to the case. Together with writer Marcus Goldman, they decide to find the real criminal and face their past demons.