| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9712007-6-0 | Val Williams · Ellen Fredericks | Executive Foundation |
| 2002 | 978-0-9712007-7-7 | Val Williams | Get the Best Out of Your People and Yourself |
| '' | 978-0-9712007-8-4 | '' | Virtual Leadership |
| 2004 | 978-0-9712007-9-1 | Ellen Fredericks · Val Williams | Executive Think Time: Thinking that Gets Results |