Book excerpt: The first edition of this book quickly established itself as one of the clearest and most readable introductions to generative grammar. Together with a complete introduction to the principles of Universal Grammar, it traced the major shifts of perspective that have influenced the developments of the theory over the last forty years. This revised and expanded new edition introduces students with no previous training to Transformational Grammar. Covering the framework known as Principles and Parameters as well as the more recent framework known as Minimalism, it includes a range of new exercises, making it ideal for students at all levels.