"A Drink Before the War" is the first novel in the Kenzie and Gennaro series by Dennis Lehane. It was published in 1994 and follows the story of Patrick Kenzie and Angela Gennaro, two private detectives based in Boston. In this novel, they are hired to recover some documents stolen from a politician, but their investigation leads them into a complex web of corruption, violence, and betrayal in the heart of the city. The novel explores themes such as loyalty, justice, and the dark underbelly of urban life. Lehane's gritty storytelling and vivid portrayal of Boston's neighborhoods make "A Drink Before the War" a compelling read for fans of hard-boiled crime fiction.