Today, mafias operate across the globe, with hundreds of thousands of members and billions of dollars in revenue. From Hong Kong to New York, these vast organizations spread their tentacles into politics, finance and everyday life. Criminologist Federico Varese draws on a lifetime's research to give us access to some of the world's most secretive societies. Mixing reportage with case studies and historical insights, this is the story of mafia as it really is: filled with boredom and drama, death and disaster, ambition and betrayal.