Dennis Lehane is an American novelist born August 4, 1965, in the Dorchester neighborhood of Boston, Massachusetts. He is best known for a series of hardboiled mysteries featuring Boston private investigators Patrick Kenzie and Angela Gennaro, beginning with A Drink Before the War (1994), and for standalone novels including Mystic River, Shutter Island, The Given Day, and Small Mercies. Four of his novels have been adapted into films: Mystic River (2003, directed by Clint Eastwood), Gone Baby Go...