| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 151 Quick Ideas for Delegating and Decision Making | 978-1-56414-961-9 (1-56414-961-7) | 2007 | Robert E. Dittmer |
| 151 Quick Ideas to Improve Your People Skills | 978-1-60163-037-7 (1-60163-037-9) | 2008 | " |