In the cold of winter, Pioneer Square's homeless are being butchered, and zombies have been seen roaming the streets of the underground city buried beneath modern Seattle. Greywalker H arper Blaine is asked to investigate by her friend Quinton, who fears he may be implicated in the deaths. They soon discover that someone has unleashed a monster of ancient legend- and H arper must deal with both the living and the dead to find the creature and put a stop to it...unless it stops her first....

Harper Blaine is a Greywalker-walking the thin line between the living world and the paranormal realm. She's been hired by a university research group that's attempting to create an artificial poltergeist. But when one of the group's members is found killed, Harper must determine whether the killer is the ghost itself, or someone all too human......

Harper Blaine was your average small-time PI until she died-for two minutes. Now she's a Greywalker-walking the thin line between the living world and the paranormal realm. And she's discovering that her new abilities are landing her all sorts of "strange" cases.

In the days leading up to Halloween, Harper's been hired by a university research group that is attempting to create an artificial poltergeist. The head researcher suspects someone is faking the phenomena, but Harper's investigation reveals something else entirely-they've succeeded.

And when one of the group's members is killed in a brutal and inexplicable fashion, Harper must determine whether the killer is the ghost itself, or someone all too human....

Harper Blaine was slogging along as a small-time P.I. when a two-bit perp's savage assault left her dead. For two minutes, to be precise.

When Harper comes to in the hospital, she begins to feel a bit ...strange. She sees things that can only be described as weird-shapes emerging from a foggy grey mist, snarling teeth, creatures roaring.

But Harper's not crazy. Her "death" has made her a Greywalker-able to move between our world and the mysterious, cross-over zone where things that go bump in the night exist. And her new gift (or curse) is about to drag her into that world of vampires and ghosts, magic and witches, necromancers and sinister artifacts. Whether she likes it or not....

Harper Blaine was your average small-time P.I. until a two-bit perp's savage assault left her dead for two minutes. When she comes to in the hospital, she sees things that can only be described as weird-shapes emerging from a foggy grey mist, snarling teeth, creatures roaring.

But Harper's not crazy. Her "death" has made her a Greywalker- able to move between the human world and the mysterious cross-over zone where things that go bump in the night exist. And her new gift is about to drag her into that strange new realm-whether she likes it or not....