| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cognitive Approach to Conscious Machines | 978-0-907845-42-3 (0-907845-42-8) | 2003 |
| Consciousness and Robot Sentience: 2nd Edition | 978-981-12-0504-0 (981-12-0504-3) | 2019 |
| Robot Brains: Circuits and Systems for Conscious Machines | 978-0-470-06204-3 (0-470-06204-5) | 2007 |