For two FBI agents with a past, love becomes a matter of life and death in the new Hidden Sins novel from New York Times and USA Today bestselling author Katee Robert. Maggie Gaines used to be an FBI agent--top of her class and one of the bright, up-and-coming stars--until she spectacularly fell apart during her first high-profile case. That was eight years ago. Now she's a ranger at Glacier National Park, and she's found some measure of peace. But...