Chelsea Cain's novels featuring Detective Archie Sheridan and serial killer Gretchen Lowell have captivated fans through two nail-biting entries, Heartsick and Sweetheart, both multi-week best - sellers in The New York Times, USA Today, and Publishers Weekly. Here Gretchen is still on the loose and Archie is still hospitalized after his ploy to catch her went spectacularly wrong. They've entered a detente of sorts—Archie

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Tortured detective Archie Sheridan should be healing from his past run-ins with Gretchen--mentally and physically--but he's just as scarred as the day she let him go. He's focusing on his newest case when he gets an unexpected call from Gretchen's latest shrink with a message from her. She claims the killer Archie's tracking is after her child, a child she's never mentioned having. At first he refuses to be drawn in. But when there's another murder,...