THE SUMMER GUESTS

In 1972, a Purity policeman watches a driver mow down and kill three innocent people on Main Street. Then the madman shoots the officer, and soon they are all dead. Investigators never learn why such an ordinary, apparently law-abiding citizen suddenly committed such a ghastly act, and the sad story gradually fades. Jump a half-century to the present day, when the Conovers, a family of longtime summer residents, are arriving back in town. Fifteen-year-old Zoe goes swimming in Maiden Pond with a newfound friend and mysteriously disappears later that day. She is an excellent swimmer and diver, so drowning seems unlikely. Perhaps she has been abducted, perhaps worse. She is not “the sort of girl you’d think would get into trouble.” Naturally, Zoe’s parents are frantic. Enter acting Police Chief Jo Thibodeau and the Martini Club, a delightful group of five retired government spooks who just love a good puzzle to keep their aging brains in shape. They are merry meddlers who keep trying to help Thibodeau, a “dogged investigator” who resists their aid, or tries to. The Martini Club asks the acting chief to keep them in the loop, and of course she wants them nowhere near the case. But by that time, the five ex-spies are already involved, and one of them, Maggie Bird, surmises that this is most likely a kidnapping case. Maiden Pond is central to the story. There are a mix of houses around it, on one side seasonal rentals for the well to do, and on the other—the marshy, buggy side—permanent homes for the locals, such as the son of the long-ago murderer. Nobody waves at Reuben Tarkin, a social outcast because of his father’s heinous crime. The Conovers say he’d harassed their nanny to the point where she’d suddenly up and quit. Meanwhile, the investigators chase down clue after clue, wondering the who, what, and why of it all. The Conovers doubt Thibodeau’s abilities, believing she’s in over her head. The Martini Club folks continually impress her with their insights. “You people just love being smarter than me, don’t you?” But secrets and plot twists abound, and their collective intellect may not be enough.