In this novel, Dr. Thorndyke builds a card house of wild speculations to solve a perplexing murder case, astonishing all observers, including the police. The victim is Julius D ’Arblay, an artist highly skilled at the rare French art of making wax-work figures and portrait masks. D’Arblay has a beautiful daughter, which leads to a romance with a young Dr. Grey who discovers the father’s body and b...