| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1981 |
|
Islands in the Sky | Penguin Books | Novel | |
| 1982 |
|
Islands in the Sky | Penguin Books | Novel | |
| 1984 |
|
Islands in the Sky | Puffin | Novel | |
| April 1989 |
|
Islands in the Sky | Puffin | Novel |