| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| An Introduction to Coping with Insomnia and Sleep Problems | 978-1-84901-620-9 (1-84901-620-8) | 2011 |
| Overcoming Insomnia and Sleep Problems 2nd Edition: A self-help guide using cognitive behavioural techniques | 978-1-4721-4141-5 (1-4721-4141-5) | 2020 |
| Overcoming Insomnia and Sleep Problems: A Self-Help Guide Using Cognitive Behavioral Techniques | 978-1-84529-070-2 (1-84529-070-4) | 2006 |