GCSE Maths Instant Revision - Collins Study & Revision Guides Author:Paul Metcalf Instant revision guide, with self-check questions and grade-boosting tutorials in a pocket-sized pack. Written by senior examiners and experienced teachers who know what students need for that final, instant check, this edition is in pocket book format. It has: clear explanations of what you need for GCSE; ready-made, instant revision notes; sho... more »rt self-check questions for all GCSE areas; answers to every question asked in the text; grade-boosting tutorials from the examiner; and a score chart to help you check your progress.« less