PositiveBooklistChapters alternate between Odile in Paris, where readers get to know Boris, the Russian head librarian, eccentric patron Professor Cohen, and Odile’s twin brother, Rémy, who enlists in the French army. In Montana, Lily relies on Odile for guidance through family and friend trouble, though she senses Odile is keeping a secret. Charles brings her experience working at the American Library in Paris to this novel inspired by real people, that is a love letter to Paris, the power of books, and the beauty of intergenerational friendship.