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The Edge (original 1988; edition 1998)
by Dick Francis
References to this work on external resources.
Wikipedia in English
Amazon.com Product Description (ISBN 0425204391, Mass Market Paperback)
A high-class, transcontinental horse-racing junket should be an idyllic getaway for the super-rich.
But one passenger on this train is a sociopath, a genius at blackmail and criminal corruption—and he plans to take everyone for everything they've got.
(retrieved from Amazon Mon, 30 Sep 2013 13:18:46 -0400)
To the Jockey Club, the racing world would be a better place without Julius Apollo Filmer. An expert in corruption with a devastating line in witness intimidation - and proving to be a slippery character to put behind bars. Baffled, they call in undercover security agent Tor Kelsey to keep an unflinching eye on Filmer and his associates. A mission that takes him from the finestof English racecourses to the wild Canadian interior - on a luxury transcontinental train journey to end them all. On board, a troupe of actors are playing out a murder mystery for the amusement of their diamond-studded passengers. Ideal cover for a secret investigator with secrets of his own. And better still for an ice-cool blackmailer for whom murder is just one of many options..........
(summary from another edition)
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