My favorite historical book....
Tie between "Paddy Whacked: The Untold Story of the Irish-American Gangster", "Black Mass: The True Story of an Unholy Alliance Between the FBI and the Boston Mob", "The Westies: Inside New York's Irish Mob", and "Helter Skelter: The True Story of the Manson Murders".
Those are my total favorite historical books of all-time. But I'm supposed to go book shopping this weekend and I really want to buy "Blood and Thunder: An Epic of the American West" because we read an excerpt in US History and it was really good.