THE CLUE IN THE JEWEL BOX (NANCY DREW) HARDCOVER
An antique dealer's revelation about a former queen's priceless heirloom starts Nancy on a trail of exciting adventures. Madame Alexandra, now living incognito in River Heights, asks Nancy to find her missing grandson. With only one clue to go on. . . a faded photograph of the prince at the age of four. . . the young detective begins her search. Nancy's investigation unmasks a slick imposter and reunites the long-separated family in this suspense-filled story. Grosset & Dunlap 1972 edition