> Mr. Keen is an enigmatic older man who promises to find anyone, anywhere. No find, no fee – and the fee is scaled appropriately based on the task and the client. He's aided in his task by a shadowy network of talented experts and a legion of attractive young typists. In the five interlinked stories of *The Tracer of Lost Persons*, the actual business of tracing goes on in the background. When Mr. Keen is introduced to each of the five protagonists, he does so in a curt, businesslike way – generally with a bit of showing off….