Twists and turns that leave you guessing until the end. In "Low Tide at Tybee," James M. Jackson brings three of his Seamus McCree series characters (Seamus, his darts-throwing mother, and his now six-year-old granddaughter, Megan) to Tybee Island, Georgia to vacation and escape winter up north. Megan spots a thief going through their beach bags, after which their vacation unravels with a series...