The Thirteenth Tale is a haunting cozy antique mystery book written by Diane Setterfield. The story revolves around Margaret Lea, a young biographer, who is summoned to write the biography of Vida Winter, a famous but reclusive author. As Margaret delves into Vida's past, she uncovers dark family secrets, hidden identities, and a mysterious thirteenth tale. With its atmospheric setting, richly developed characters, and a twist-filled plot, this book will captivate readers who enjoy antique mysteries with a touch of gothic flair.