The Saga Tree

Allan Fraser, mountaineer and computer scientist, thinks little of the mysterious deaths that have occurred at the Scottish headquarters of his computer company. But as events lead him to the South American Andes he is forced to call upon all the skills and resources of his separate lives.
 
Allan Fraser, mountaineer and computer scientist, thinks little of the mysterious deaths that have occurred at the Scottish headquarters of his computer company. But as events lead him to the South American Andes he is forced to call upon all the skills and resources of his separate lives.