With the usage of this book students will gain an up to date and in-depth understanding of the issues involved in A-Level option choices. It also helps them improve exam results by completing the variety of challenging questions and enquiries. Interest and motivation will be increased by the variety of approaches adopted by the various authors, all of whom are experienced educationalists. Student improvement is made possible in this book, by the application of a common approach to case studies and an integrated approach to the development of core skills. Teachers will receive value for money from these flexible, well-designed topic books.