J.S. Fletcher 
Charing Cross Mystery 

When a retired police inspector suddenly drops dead in a train carriage arriving at Charing Cross station, young London barrister Hetherwick finds himself the key witness to the murder. Thrust into the centre of this terrifying mystery, Hetherwick must unveil the disturbing truths of the case and locate the nefarious culprit. Fans of 'Sherlock Holmes’ will be enthralled by this 20th century crime classic, a gripping tale of mystery and suspense that will have them on the edge of their seats till the very end. –