HarperCollins · Kingfisher Books Ltd
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Air Farce Book | 978-0-00-216818-2 (0-00-216818-9) | |
| Sniffer and Naughty Nancy | 978-0-7534-1319-7 (0-7534-1319-1) | 2006 |
| Sniffer's Golden Nose | 978-0-7534-5959-1 (0-7534-5959-0) | 2006 |