Guaranteed-Forever!: Products Beyond Science, Promises Beyond Belief

Clark Street is full of hustlers, and Fred Manning has made a career out of shutting them down. When he targets Harry Forsythe and his too-good-to-be-true gadgets, the case looks routine-another mail-order scam promising impossible performance for pocket change.

But this time the details refuse to line up. The machining is flawless. The products seem to work. There are no factories, no suppliers, no paper trail that makes sense. And the deeper Manning digs, the more the investigation turns p...