, the author of German war novel Das Boot
died of heart failure on Thursday at the age of 89.
Buchheim's most famous work detailed the life on World War II Nazi submarine U-Boot - the writer drawing on his own experiences as an officer on submarines, destroyers and mine-sweepers during the war.
turned the book into an epic six-hour film in 1981 - ten years after it was first published.
(This news article provided by World Entertainment News Network)