| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Meeting Skills for Leaders: Make Meetings More Productive | 978-1-4260-1855-8 (1-4260-1855-X) | 2009 |
| Project Management: Get From the Idea to Implementation Successfully | 978-1-4260-1856-5 (1-4260-1856-8) | 2009 |
| Time Management: Get an Extra Day a Week | 978-1-4260-1857-2 (1-4260-1857-6) | 2009 |