Agatha Christie 
The Murder on the Links [EPUB ebook] 

A millionaire dies…
'One can see by his face that he was stabbed in the back' said Poirot.
But the strangest feature of the case was where they found the body – in an open grave!
Hercule Poirot had answered an appeal for help – but he was too late!
MURDER – bizarre and baffling – had come to the Villa Genevieve…