For close to 40 years, gangsters across Canada bowed to the fearsome will of Johnny "Pops" Papalia, the Mafia chieftain who rose from a working-class ghetto in Hamilton, Ontario to hold a tenuous grip on organized crime. National Post reporter Adrian Humphreys followed Papalia's career and in his book, The Johnny Pops Papalia--A Life and Death in the Mafia, published by HarperCollins, he tracks the rise to power and gangland slaying of Canada's Capone after more than four decades in the Mafia.