| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Engaged Leadership: Building a Culture to Overcome Employee Disengagement | 978-0-470-93311-4 (0-470-93311-9) | 2011 |
| Engaged Leadership: Building a Culture to Overcome Employee Disengagement | 978-0-470-13532-7 (0-470-13532-8) | 2007 |
| Living for the Weekday: What Every Employee and Boss Needs to Know about Enjoying Work and Life | 978-0-470-59940-2 (0-470-59940-5) | 2010 |