description: Mervyn Holt, invalided out of the army and looking for a job, becomes the paid companion of the eccentric Mr Mazaroff - a rich diamond merchant who has recently returned to England. Travelling northwards, the pair become firm friends, but their trip is interrupted in the most shocking fashion when Mazaroff is found murdered on Marrasdale Moor. Was this really a case of opportunistic robbery with violence? Or could the answer lie in the dead man's mysterious past? It is up to Holt to discover the truth.  Originally published in 1923 this is a vintage British murder mystery from the golden age of detection.
title: The Mazaroff Murder