Showing Comeback by Dick Francis

Peter Darwin was hoping for some quiet leave from the Foreign Office. Instead he found himself in the village of his childhood, at the service of a veterinary surgeon whose operating theater was rapidly acquiring an unwanted reputation as an abattoir. The sudden unexplained death of a string of valuable racehorses from one small area in Gloucestershire was a mystery the police couldn't solve. But Darwin was local. He remembered people and what was at stake. And now he knew enough to get himself killed.