| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-9545245-0-0 | Derek Arden | The Secret Language of Success: Understanding Body Talk |
| 2006 | 978-0-9545245-4-8 | Derek Arden · Peter Thomson | 117 Handy Haggling Hints: How to Negotiate Win Win Win Deals |
| '' | 978-0-9545245-5-5 | Derek Arden | The 97 Secret Tips That the Top Negotiators Dont Want You to Know About |