There on desolate, windswept Kachemak Bay, Jessie hikes the island trails with her lead dog Tank, marveling at the splendor of her solitude. But in a wilderness filled with hazards and hiding places, she soon discovers she is not alone. With Alex searching for a madman hundreds of miles away, Jessie is on her own -- playing a deadly game of hide and seek with a killer.  (ALA283, $6.99)