Isle of the Ghost Walker - The White Owl Mysteries, #3

Sabrina, red-haired and with a short fuse, tried to be patient. But when her spirit-brother, Copper, not-so-sort-of splashes her with the paddle from his kayak, enough was enough. To get away, she paddles to a small isle out in the harbor from Rockland, Maine, only to discover a strange burial mound, and a ghost seeking a body to possess. With Copper trying to understand Sabrina's mysterious words, and a mother seeking help from ancient Elders, the combined spirits of two strong-willed woman must confront a local drug dealer who has defiled the sanctity of the small island.
But what he is about to learn? You don't wanna' mess with a ghost that's over two-thousand years old...