J. S. Fletcher 
The Chestermarke Instinct 

Fans of golden-era mysteries will relish the twists and turns of J. S. Fletcher's The Chestermarke Instinct. This cleverly crafted mystery begins with what seems like a common enough occurrence: a bank manager is late for work one morning. But what first appears to be simply a matter of a missed train soon is revealed to be a much more vexing problem. Has the manager committed the perfect crime—or was he an innocent victim?