Love — Elizabeth Von Arnim

Romance between a middle-aged widow and a younger man scandalizes 1920s London society in this classic novel by the author of The Enchanted April.

Although they thoroughly enjoy watching performances of The Immortal Hour, it is no longer the sole reason Catherine and Christopher continue returning to the theater in King's Cross. On Catherine's ninth visit, and Christopher's thirty-sixth, the two theater lovers finally strike up a conversation, and sparks begin to fly.
Christopher is infatuated with Catherine and is relieved to discover that her marriage has dissipated. While Catherine appreciates the attention from the handsome, flame-haired gentleman, there is one complication: she is forty-seven years old, and Christopher is twenty-five. But she cannot resist his charms. Soon their public relationship will shock everyone, including Catherine's daughter and son-in-law -- who is not much older than Catherine!