| title | ISBN-13 | year of publication |
|---|---|---|
| Doctor Crocker's Exercise Greetings Book | 978-0-7234-0082-0 | 1967 |
| Good Loo Guide: Where to Go in London | 978-0-7234-0047-9 | 1968 |
| Initial Good Loo Guide | 978-0-7119-1282-3 | 1987 |
| The Hangover Book: Prevention, Preparation, Treatment & Cure | 978-0-7234-0090-5 | 1967 |