Under OrdersBy: Dick Francis Series: Sid Halley A jockey is found dead under mysterious circumstances and a perlious investigation ensues. Sid knows the perils of racing all too well, but in his day jockeys didn't usually cross the finish line with three . 38 rounds in the chestwhich is how he found Huw Walker, the winner of a coveted race only a few hours earlier. Now Halley's quest for answers will push him to his very limits both on and off the track.