Description: London, 1865. There are many mysteries in this world that are yet to be resolved. Some of them, man was not meant to know ...Scientist, inventor and occasional sleuth, Horatio Lyle, is a man of science - a man of reason. As such, he does not care for the Tseiqin and the strange, mystical enigma they represent. But when news reaches him of a plot to remove them - through the simple expedient of mass murder! - well... that presents a problem for a man of moral fortitude. A decent man. A man like Horatio Lyle ...