5/5 Will Sid Halley dare to reveal the truth behind the doping and phony racing syndicates?
BBC Radio 4 Extra
4/5 Sid Halley must investigate the loss of three champion racehorses.
3/5 Determined Sid Halley returns to England to face threats from a gang of racecourse dopers.
2/5 When the favourite for the Newmarket 2000 Guineas race was nobbled, where was Sid?
1/5 Ex-jockey Sid Halley must guard a horse, probe a syndicate and find a swindler.