Going Postal Corgi Audio Books 2004 ISBN 0-55215-228-5

Moist von Lipwig, a con artist and fraud, is faced with a life choice: be hanged, or put Ankh-Morpork’s ailing postal service back on its feet.
It was a tough decision.
He’s got to see that the mail gets through, come rain, hail, sleet, dogs, the evil chairman of the Grand Trunk semaphore Company, and a midnight killer.
Maybe it’ll take a criminal to succeed where honest men have failed, or maybe it’s a death sentence either way.
Or perhaps there’s a shot at redemption in the mad world of the mail, waiting for a man who’s prepared to push the envelope…