Moon Rock, The by Arthur J. Rees (1872 - 1942)

Robert Turold has a monomania - An English title which had fallen into abeyance hundreds of years ago. Just when he was about to stake his claim, he is killed, and his daughter is the suspect. She too disappears under mysterious circumstances after Robert confides to his relatives that his daughter is illegitimate. Who killed Robert Turold? What hold did his manservant Thalassa had over him? - Summary by Yoganandh T