"Exam Board: OCR 21st Century"--Front cover.
"For the new 2011 GCSE science courses"--Front cover.
"For the year 10 & 11 exams"--Front cover.
GCSE OCR 21st Century chemistry. The workbook. ISBN 9781847626257. Published by CGP in 2011. Publication and catalogue information, links to buy online and reader comments.