| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1981 | 978-0-907686-00-2 | Edinburgh: The complete guide to Scotland's capital city (Harpers hanbook) | |
| '' | 978-0-907686-01-9 | Catherine Carpenter · Duke of Edinburgh | Harpers Handbook to Edinburgh: Complete Guide to Scotland's Capital City |
| 1991 | 978-0-907686-02-6 | Maggie Robin | Hercules the Bear |
| 1981 | 978-0-907686-04-0 | '' | Hercules The Bear |