Mason, A.E.W.: The Prisoner in the Opal. V1. 20 May 2011
Alfred Edward Woodley Mason (7 May 1865 Dulwich, London - 22 November 1948 London) was a British author and politician. He is best remembered for his 1902 novel The Four Feathers.
Inspector Hanaud of the French Surete attempts to solve the murder of an English woman and the disappearance of an American girl before there is another killing.