Designed to follow the latest CIE IGCSE syllabus, this revision guide will provide revision material which is presented in a clear, concise, but not too condensed format, appropriate for international students aged 14-16. IE Source is a one-stop-shop for quality resources that support the Cambridge International Examinations Curriculum. As the preferred textbook supplier for CIE Schools in the United States, we believe that finding the ideal resources for your CIE classrooms should be simple. To this end, we're committed to providing up-to-date product information and excellent customer service to CIE Schools across the country.