From the award-winning author of Dead Souls and Poe comes an all-new bone-chilling novel where a mysterious island holds the terrifying answers to a woman's past and future. In 1939, on a remote Pacific island, botanical researcher Irene Greer plunges off a waterfall to her death, convinced the spirits of her dead husband and daughter had joined the nightmarchers--ghosts of ancient warriors that rise from their burial sites...