Neuroatypical - autistic - Dylan Sebring watches an appraiser on a national antiques television show tell the story of a nineteenth-century French bronze figurine that a man had brought from his home in Vermont. The statue is one of a trio called The Three Graces and across their bronze bases are engraved the cryptic clues to the hiding place of Leonardo DaVinci's storied Mona Lisa portrait, stolen from the Louvre in Paris in 1911. Dylan is captivated...