Dead man river

At first, it seemed to Dave Brent like a wonderful solution to his troubles: exchange identities with the dead man he found floating in the river, and that should be the last he'd hear of the Vandemanns, who wanted his blood. But the dead man was more popular than Dave reckoned - and a lot of men want to find the one now using his name. If they catch him, they intend to offer him a choice of deaths - by torture or a quick bullet. Dave isn't keen...