How Did Donald E. Westlake Die?

Donald Edwin Westlake was an American writer with more than one hundred novels and non-fiction books to his credit. He specialized in crime fiction, especially comic capers, with an occasional foray into science fiction and other genres. Westlake created two professional criminal characters who each starred in a long-running series: the relentless, hardboiled Parker, and John Dortmunder, who featured in a more humorous series.