Dennis Lehane

Dennis Lehane (born August 4, 1965) is an American author. He has published more than a dozen novels. His best known book is "A Drink Before the War". 
Some of his books were made into movies: "Mystic River", directed by Clint Eastwood, which won several awards; 2007’s "Gone Baby Gone"; and 2010’s "Shutter Island" directed by Martin Scorsese.