Bring together a wonderfully varied mix of characters in a once-grand Maine island summer cottage, leave them to their own devices over the course of a long, idyllic summer in the late 1940s, and you have all the ingredients for a fine comedy of manners. Author Tom DeMarco starts with a simple little love story, weaves in tantalizing details of the old mansion's not totally respectable history, and adds a hint of gentle satire to create a novel that...