The Folded Paper Mystery

Nick Peters was a repairer of watches who fond of friendly arguments with Fin Corveth, a free-lance journalist. One day Peters is murdered, and Corveth finds himself involved in a baffling mystery in which a little brass ball plays an important part for the little brass ball conceals an emerald locket, which in turn conceals a blank square of folded paper. It becomes clear that greater events are afoot than simple murder...