HarperCollins · Littlehampton Book Services Ltd
| title | ISBN-13 | year of publication |
|---|---|---|
| Ottie and the Star | 978-0-437-90519-2 | 1981 |
| Ottie and the Star | 978-0-06-020108-1 | 1979 |
| Rollo and Tweedy and the case of the missing cheese | 978-0-06-020096-1 | 1983 |
| Rollo and Tweedy and the Case of the Missing Cheese | 978-0-06-020097-8 | 1983 |
| Rollo and Tweedy and the Ghost at Dougal Castle | 978-0-06-444182-7 | 1994 |
| Rollo and Tweedy and the Ghost at Dougal Castle: Story and Pictures | 978-0-06-020106-7 | 1992 |
| Where Is Freddy? | 978-0-06-020098-5 | 1986 |
| Where is Freddy? | 978-0-06-020099-2 | 1986 |
J. A. · J. Allen · Jean Allen · L a · L. Allen · L.J. · L. J. Allen · Laura Allen · Laura J.