This outstanding textbook offers a comprehensive overview of organized crime groups around the world, combining theoretical perspectives with real-world examples from across the globe. Unlike other texts, this book steps beyond discussions of traditional organized crime groups, but also considers street gangs, supremacist groups and terrorists. Offering a transnational perspective, this text speaks to wider debate in international criminology including: global security, human trafficking drugs and arms smuggling, technology and crime, international law enforcement responses. Written by teachers with fifteen years experience of the classroom, this book is essential reading for students engaged with international organized crime and global criminology and justice. The book is supplemented with anecdotes, chapter summaries, discussion questions and suggestions of further reading and websites throughout, making it ideal for students and teachers alike.