A New York Times Bestseller "Haunting, sophisticated . . . a novel so twisty and well-told that it will appeal to older readers as well as to adolescents."--Wall Street Journal "A rich, stunning summer mystery with a sharp twist that will leave you dying to talk about the book with a pal or ten."--Parade.com
Criminal investigating officer Hanne Wilhelmsen considers the possibility of a serial killer as she tracks down a series of numbers written in blood appearing on walls all over Oslo.
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