PENSA NUM NÚMERO

Arriving in the mail one day is a taunting letter that ends with a simple declaration "See how well I know your secrets-just think of a number." Eerily, those who comply find that the letter writer has predicted their random choice exactly. For Dave Gurney, just retired as the NYPD's top homicide investigator and forging a new life with his wife, Madeleine, in upstate New York, the letters are oddities that begin as a diverting puzzle but quickly ignite a massive serial-murder investigation. Brought in as an investigative "consultant," Gurney soon accomplishes deductive breakthroughs that have local police in awe. Yet, with each taunting move by his seemingly clairvoyant opponent, Gurney feels his tragedy-marred past rising up to haunt him, his marriage approaching a dangerous precipice, and, finally, a dark, cold fear building that he's met an adversary who can't be stopped.