A chilling murder ruins a fun day at the races in the fifth historical mystery featuring Detective Chief Inspector Henry Johnstone. 1929. Police surgeon Dr Clive Mason is devastated when his wife Martha is found dead in an empty horsebox at Southwell Races, her handbag stolen. The Masons were enjoying a day out at the races with their friends, Dr Ephraim Phillips and his wife Nora, when Martha went to speak to a face...