| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Extending Mathematics: A course in pure mathematics to A level, Vol. 1 | 978-0-19-914012-1 (0-19-914012-X) | 1974 | |
| Extending Mathematics: v. 2 | 978-0-19-914049-7 (0-19-914049-9) | 1978 | D.R. Martin |