Jack English is former Assistant Chief Constable with Northumbria Police, Director of the Central Planning and Instructor Training Unit, and Chief Examiner to the Police Promotion Examinations Board. He has authored a number of well-respected police titles and has also written on summonses and charges for the Police Reviewing Company. Richard Card is formerly Professor of Law and Chairman of the School of Law at De Montford University, Leicester. He has written and lectured extensively in a number of areas of law, particularly criminal law. He is the sole author of Card, Cross and Jones' Criminal Law, and has also written a range of other titles.