The first twelve cases for M. McDonnell Bodkins insightful but self-deprecating detective Paul Beck, a man who claims no more genius than a little common sense, and says of himself that I just go by the rule of thumb, and muddle and puzzle out my cases as best I can. Including tales of card-sharping, deception, and theft; of treachery in the British Cabinet, and a plot to undermine the nations silver currency; and of ingenious and cold-blooded murder.