Kat Richardson’s enormously popular Greywalker paranormal investigations series is currently a fixture on the New York Situations best-seller list. In her fourth adventure, Seattle PI Harper Blaine delves into her personal past and makes some shocking discoveries. It appears that before her father committed suicide, he had observed some bizarre supernatural events. With barely any time to procedure this fresh info, Harper is pressured by several vampires into an investigation in London-where outdated foes and even more revelations await.