| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-1-907459-00-9 | Simon P. Walker | A Brief Introduction to the Theory of Human Ecology |
| 2011 | 978-1-907459-03-0 | Simon P. Walker | The Undefended Life |
| '' | 978-1-907459-04-7 | Simon P Walker | The Undefended Leader Trilogy |