Somewhere in Philadelphia, a master engraver is turning out brilliant forgeries of U.S. currency plates for an organized crime gang – and the government wants to put a stop to it. But how can they get close enough to bring down the criminal enterprise from the inside? By snatching a west coast crime boss’ right-hand man and sending a federal agent undercover in the man’s place. His assignment: pose as a buyer of counterfeit bills and try to get the engraver out. Which works fine – until he crosses paths with someone who knows the man he replaced…

Features a new afterword by Silverberg describing the book’s genesis, as well as two bonus stories that also haven’t been published in half a century