Revise smart and save! * This Revision Guide delivers hassle-free exam preparation, covering one topic per page and closely matching the AQA specification. * Target grades on the page help you to progress at the right speed. * Exam Alerts highlight common pitfalls and misconceptions in exam questions. * Audio files are available free on a companion website to provide realistic question practice. * With one-to-one page correspondence between this Guide and the companion Workbook, this hugely popular Revision series offers the best value available for GCSE students.