In the second book of the action-packed Double Vision series, ordinary twelve-year-old Linc Baker must go undercover in Washington, DC, to stop a CIA mole from assassinating the president. With an unforgettably funny voice, high-stakes espionage, and real American spy history dating back to the Revolutionary War, this is the latest adventure in the Double Vision series that ALA Booklist says fans of Alex Rider and 39 Clues will love. After...