This book covers all the content needed for AS and Year 1 of the Edexcel Pure Maths A-Level course and is fully up to date for the latest specifications. It has crystal-clear notes on all the theory for every topic, including annotated worked examples and explanations; hundreds of challenging questions for every chapter, including problem-solving and modelling; a realistic Practice Paper with a complete mark scheme; and a free Online Edition to read on PC, Mac or tablet (use the unique code printed inside the cover to gain full access). For full A-Level Maths coverage don't miss the Year 1/AS Statistics and Mechanics Student Textbook (9781789088403), and Year 2 Student Textbooks for Pure Maths (9781789088410) and Statistics and Mechanics (9781789088427).