The book explores the key issues, philosophies and debates in criminology, making use of a variety of writers and texts to illuminate recurring themes and tensions in the field. Students are encouraged to become aware of what constitutes data in criminology and to recognize the uses of theory in evaluating criminological problems. In a ground plan of the subject, the history of criminology is set alongside current information about the justice system and awareness of current trends in research. This provides an excellent base on which new students can build their study.