From the acclaimed author of The Night Portrait comes a stunning historical novel about two women, separated by five hundred years, who each hide Leonardo da Vinci's Mona Lisa--with unintended consequences. France, 1939 At the dawn of World War II, Anne Guichard, a young archivist employed at the Louvre, arrives home to find her brother missing. While she works to discover his whereabouts, refugees begin flooding into Paris and German artillery fire...