The Unfinished Clue

It should have been a lovely English country-house weekend. But the unfortunate guest-list is enough to exasperate a saint, and irascible General Sir Arthur Billington-Smith was nobody's idea of the perfect host. In fact he was absolutely frightful. He bullied his wife, Fay, grumped at his guests, refused gleefully to help his financially stricken indigent nephew, and positively blew his stack when his wayward son, Geoffrey, took up with a nightclub dancer, Lola de Silva, who was definitely N.Q....