HarperCollins · Oxford University Press
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Dog Called George | Hardcover | 978-0-19-271374-2 | 1975 |
| Dog Called George | Paperback | 978-0-19-554236-3 | |
| When Jays Fly to B-Arbmo | Library Binding | 978-0-529-00598-4 | 1980 |
| When Jays Fly to Barbmo | Hardcover | 978-0-19-271291-2 | 1968 |