White Alley

White Alley, published in 1911, is the sixth book in Carolyn Wells' detective series featuring the character Fleming Stone. Set during a weekend house party at the estate of millionaire Justin Arnold, the story unfolds as Arnold mysteriously disappears despite the mansion's advanced security. As amateur sleuths investigate, they uncover secrets and motives among the family and guests, leading to a complex mystery that Stone must solve using his analytical skills.