First of all, I should express that I am delighted to have had the opportunity to prepare a fourth edition of this textbook. The support and constructive comments received in relation to the first three editions have been most encouraging and I hope that this edition continues to satisfy the needs of the faculties of law and political science students. Since the appearance of this textbook, Introduction to Law in a nutshell, one of the questions I have been asked most frequently is this: Could y ...