Showing Risk by Dick Francis

As an amateur jockey, Roland Britten was lucky; as an accountant he was zealous. He knew he was on the hate list of several fraudsters, but never thought pen-pushers got kidnapped - not from a racecourse. Not after winning the Cheltenham Gold Cup. The identity of the kidnappers unknown, the reason behind Britten's abduction is a mystery. Then, with the help of old school headmistress Hilary Pinlock, he escapes and begins to use his accountant's logic to track his abductors down. But they have other ideas . . .