The Children of Dynmouth — William Trevor

Nestle high on cliffs that overlooked a churning sea, the village of Dynmouth seemed to daze in tranquil respectability, untouched by time.

Untouched, that is, until 15-year-old Timothy Gedge was transformed from an awkward, irritating child into an alien and sinister presence -- a presence that soon began to reveal dark secrets and terrorize the once peaceful townspeople.