Written by bestselling author Stephen Doyle, this student book will engage and motivate you throughout the course. Endorsed by WJEC offering high quality support you can trust. ┒Thorough coverage of all the topics in the AS Level Pure specification.┒Extra support for the problem solving and unstructured questions in the specification.┒Plenty of examples with worked answers throughout to enable you to check your understanding as you progress through the course.┒Answers to questions are provided in order to check your work.