More remarkable mysteries from the master detective! Mike Adamson returns with ten terrific tales to astound, confound and provide puzzlement most profound! What is the significance of a coin featuring a rat on one side, and a skull on the other? Which criminal activity can be revealed by the weight of a coffin? Who hid hundreds of guineas in a secret bricked-up apartment? Who absconded with the twenty missing Maxim guns? How can a missing train threaten the life of Queen Victoria? And which criminal organization had the gall to leave our Great Detective a farewell letter