Desmond Bagley 
Night of Error [EPUB ebook] 

Action thriller by the classic adventure writer set in the Pacific.When Mark Trevelyan dies on a journey to a remote Pacific atoll, the verdict that it was natural causes doesn’t convince his brother, Mike. The series of violent attacks that follows only adds to his suspicions. Just two clues — a notebook in code and a lump of rock — are enough to trigger off a hazardous expedition, and a violent confrontation far from civilization…