| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Speak Human: Outmarket the Big Guys by Getting Personal | 978-0-9813482-0-9 (0-9813482-0-3) | 2009 |
| The Design Method: A Philosophy and Process for Functional Visual Communication | 978-0-321-92884-9 (0-321-92884-9) | 2013 |