A #1 New York Times Bestselling AuthorIn Alberta, Canada, an eminent paleontologist disappears from a dinosaur dig site, and at the Cambridge Forensic Center Kay Scarpetta receives a grisly communication that gives her reason to expect that this may be her next case. Then a body is recovered from Boston Harbor that reveals bizarre trace evidence suggesting a link to unsolved cases. Who is behind all this? And whom can she trust? Scarpetta fears she may be on her own this time . . .