The adventure of the second generation -- The April Fool's adventure -- The case of the amateur mendicants -- The adventure of the out-of-date murder -- The case of the demon barber -- Murder beyond the mountains -- The case of the uneasy easy chair -- The case of the Baconian cipher -- The adventure of the headless monk -- The case of the Camberwell poisoners -- The adventure of the iron box -- The adventure of the notorious canary trainer -- The case of the girl with the gazelle.