J. W. · J. Wirz · Jürg Wirz · Wirz Jurg
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Paul Tergat - Running to the Limit: Running to the Limit - Training Plans, Tips and Secrets | 978-1-84126-165-2 (1-84126-165-3) | 2006 |
| Run to Win: The Training Secrets of the Kenyan Runners | 978-1-84126-188-1 (1-84126-188-2) | 2006 |