cover image The Edge

The Edge

Dick Francis, Author Fawcett Books $6.99 (348p) ISBN 978-0-449-21719-1

To catch a murderer, an undercover agent for the British Jockey Club poses as a waiter on the ``Great Transcontinental Mystery Race Train.'' ``There is no limit to the thrills along the way, and no way of predicting the stunning denouement,'' lauded PW. 1,000,000 first printing. (Mar.)