Check the listing for details. CGP GCSE Edexcel Mathematics The Revision Guide (Higher Level) For 9-1 course. Condition: Good. Listed at 2.72 USD. This comprehensive GCSE Mathematics Revision Guide (Higher Level) is an essential tool for students pursuing a 9-1 course. Authored by Richard Parsons, the revised edition workbook is designed to cover all the important aspects of the subject area, from advanced level to GCSE. With a publication year of 2015, the paperback format of the guide is perfect for students who prefer to carry around a physical copy. The book features a variety of topics, including series, GCSE, workbook, mathematics, and English language. The publisher, CGP, is renowned for producing high-quality educational materials, and this guide is no exception. Get your hands on this must-have revision guide and take your mathematics knowledge to the next level!