Dragon Hill

Dragon Hill was young William's name for Seal Point, a rocky peninsular jutting out into the Atlantic. William's father had come to this desolate spot to complete a novel he was writing and he and Scottish cousin Mary were given free rein of the area. Legends about old Captain McDurgan, a recluse of 20 years, frightened the youngsters but not enough to prevent them from venturing beyond the ominous ""Keep Off"" signs on the Captain's property... (Kirkus)