| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Singapore Diary: The Hidden Journal of Captain R M Horner | 978-1-86227-430-3 (1-86227-430-4) | 2007 |
| Singapore Diary: The Hidden Journal of Captain R M Horner: The Diary of Captain R M Horner | 978-1-86227-339-9 (1-86227-339-1) | 2006 |