Lust of Hate

This is the third Dr Nikola book in a series of five written by Guy Boothby. The main character is Gilbert Pennethorne a man whom "Lady luck" has deserted. A number of commercial failures, estrangement from his family, Unsuccessful gold prospecting in Australia and finally having the location of one of the richest undiscovered gold mines in the world stolen from him by a man whom he classifies as his worst enemy. This tips him over the edge of normal reason, such that his desire for revenge is a