William Sandon has promised himself that his time in prison marks a turning point. No more thieving for him - even if he was very good at it. But then he is approached by Septimus Prinzle (a name Sandon suspects to be assumed) with a tantalizing offer. Prinzle knows the eccentric Bartle Garning to be in possession of a number of priceless blue pearls, which Prinzle and his confederates are keen to get hold of. They have a watertight scheme and nothing can possibly go wrong. But when the plan proves too good to be true, Sandon finds that the flame of revenge has been lit within him - and its agent is death...
Originally published in 1938, this is a vintage crime thriller from the golden age of detection.