(1989) Book with coauthor Gerard O'Neill: "Underboss: The Rise and Fall of a Mafia Family". New York: St Martins Press. ISBN-10: 0312026196; ISBN-13: 9780312026196
(2000) Book with coauthor Gerard O'Neill: "Black Mass: The Irish Mob, The FBI and A Devil's Deal". New York: PublicAffairs. ISBN-10: 1891620401; ISBN-13: 9781891620409
(2009) Book: "The Fence: A Police Cover-up Along Boston's Racial Divide". New York: Harper. ISBN-10: 0060780983; ISBN-13: 9780060780982
(2003) Book, with coauthor Mitchell Zuckoff: "Judgment Ridge: The True Story Behind the Dartmouth Murders". New York: Harper. ISBN-10: 006000844X; ISBN-13: 9780060008444
(2014) Book: "The Birth of a Nation: How a Legendary Filmmaker and a Crusading Editor Reignited America's Civil War". New York: PublicAffairs. ISBN-10: 1586489879; ISBN-13: 9781586489878
(2013) Book with coauthor Gerard O'Neill: "Whitey: The Life of America's Most Notorious Mob Boss". New York: Crown Publishers. ISBN-10: 0307986535; ISBN-13: 9780307986535