Its large format allows for the clear presentation of topics. Illustrations and charts are used wherever possible to convey information and enhance the text. Student-friendly language is used throughout.Consolidation sections stress key points. Definitions and fundamental points are highlighted. Worked examples are included throughout.Questions are included at relevant points in the text, allowing students to test immediately their understanding of a topic. In addition, each chapter ends with a selection of questions, the majority of which are taken from past examination papers.