Wherever She Goes by Kelley Armstrong

Bree Finch has fallen on some troubled times: her marriage has ended, she’s separated from her young daughter, Charlotte, and she’s haunted by a past she can’t escape. Routine helps, and every afternoon, during her lunch break, Bree goes for a jog in the park near her office. It’s the same every day: the same route, the same mothers with their children, the same people walking their dogs.

One day, during her jog, she spots a young boy a bit older than Charlotte, a boy she saw just the day before with his mother. But his mother is nowhere to be seen now. Nervous, Bree watches the boy as he wanders into the parking lot… Read more.