The Signal by Ron Carlson

Ron Carlson, author of the critically acclaimed Five Skies, is an award-winning writer beloved by booksellers, reviewers, and readers alike. His most thrilling book to date, The Signal follows the story of Mack and Vonnie, a married couple who, after ten years together, are taking their last hike in the mountains of Wyoming to say goodbye to their relationship and to each other. As the troubled and tragic elements of their past gradually come to light over the course of their journey, Mack keeps a secret: he is tracking a signal, sent via a beacon that has fallen from the sky, that will lead them both into a wood far darker than they have ever imagined.