This work provides complete coverage of all three modules - Theory of Knowledge, Moral Philosophy and Philosophy of Religion - and all set texts of module three, Plato, Descartes, Marx and Sartre, ensuring students are equipped with the required underpinning knowledge. It contains learning features including Key Terms, Quick Response questions and a Research Section and suggestions for further reading to aid students' learning and guide them through each step of the exam. Exam style questions at the end of each unit provide valuable practice and build confidence. It features authoritative foundation material for students progressing to further study. It matches AQA AS specification.