| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| OCR 21st Century Additional Science A: Exam Practice Workbook | 978-1-84419-457-5 (1-84419-457-4) | 2011 | Andrew MacAdam · Matthew Priestly · Neil Dixon · Trevor Baker |
| OCR 21st Century Biology A: Exam Practice Workbook | 978-1-84419-459-9 (1-84419-459-0) | 2011 | Eliot Attridge |
| OCR 21st Century Biology A: Revision Guide | 978-1-84419-499-5 (1-84419-499-X) | 2011 | |