'This detective novel is much more than interesting.The numerous characters are well differentiated, and include one of the most feckless, exasperating and lifelike literary men that ever confused a trail.' Dorothy L.Sayers, Sunday Times, 1934 When Miss Pongleton is found murdered on the stairs of Belsize Park station, her fellow-boarders in the Frampton Hotel are not overwhelmed with grief at the death of a tiresome old woman.But they all have their theories about the identity of the murderer, and help to unravel the mystery of who killed the wealthy 'Pongle'.Several of her fellow residents - even Tuppy the terrier - have a part to play in the events that lead to a dramatic arrest. This classic mystery novel is set in and around the Northern Line of the London Underground.It is now republished for the first time since the 1930s.