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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 is "a great heroine."
-New York Times bestselling author Charlaine Harris

"A thoroughly modern and utterly enjoyable supernatural thriller."
-Crimespree Magazine

"Fascinating."
-Locus

Kat Richardson lives on a sailboat in Seattle with her husband, a crotchety old cat, and two ferrets. She rides a motorcycle, shoots target pistol, and does not own a TV.