From Publishers Weekly: "In Grace's fast-paced sixth thriller featuring former Navy SEAL Nolan Kilkenny (after 2007's The Secret Cardinal), Nolan is about to donate a piece of his liver to Zeke Oakley, a two-year-old adopted boy whose parentage is unknown, when a doctor informs him that genetic testing shows that Nolan's father, Sean Kilkenny, the newly appointed U.S. ambassador to the Vatican, is also Zeke's father. After Sean denies...