Tim Waggoner "Grim: The Killing Time" Mass Market Paperback

Vorgrik says: Good condition.

A mysterious creature stalks the streets of Portland, looking for a new identity. With one touch, it can dissolve its victim, assuming their appearance, personality, and memories. When homicide detectives Nick Burkhardt and Hank Griffin are called in to investigate a bizarre murder, Nick comes face to face with the changeling. Still, its powers have an unexpected effect on the Grimm, unleashing a deadly Wesen plague.