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 on moonless nights. But was it suicide, or did a strange young missionary girl, Agnes, play a role in Irene's deteriorating state of mind? It all seems like ancient family history to Julia Greer, who has enough problems of her own. A struggling journalist, she's recovering from a divorce and is barely able to make rent, let alone appeal the court's decision to give sole custody of their daughter to her ex-husband. When her elderly great-aunt offers her an outrageously large sum to travel to this remote island and collect...

From the award-winning author of the acclaimed novel Poe comes an edgy and bone-chilling new novel.When Fiona Dunn is approached in a bar by a man who claims he's the devil, she figures it's just some kind of postmodern-slash-ironic pickup line. But a few drinks in, he offers her a wish in exchange for her immortal soul, and in addition, Fiona must perform a special favor for him whenever the time comes. Fiona finds the entire matter so absurd that she agrees. Bad idea. Not only does Fiona soon discover that she really was talking to the devil incarnate, but she's now been initiated into a bizarre support group of similar "dead souls"—those who have done the same thing as Fiona on a whim, and who must spend their waking hours in absolute terror of that favor eventually being called in...and what exactly is required from each of them in order to give the devil his due.