STAY CLOSE by HARLAN COBEN (2012, Orion, 406pp) ∗∗∗½ Blurb: Megan once walked on the wild side. Now she’s got two kids, a perfect husband, a picket fence, and a growing sense of dissatisfaction. Ray used to be a talented documentary photographer, but at age forty he finds himself in a dead-end job posing as a paparazzo…