| title | ISBN-13 | year of publication |
|---|---|---|
| En vinders DNA | 978-87-92550-13-2 | 2010 |
| Kopalnie Talentow | 978-83-7924-263-4 | 2014 |
| The Gold Mine Effect | 978-1-4434-2057-0 | 2013 |
| The Gold Mine Effect: Crack the Secrets of High Performance | 978-1-84831-710-9 | 2015 |
| The Gold Mine Effect: Crack The Secrets Of High Performance | 978-93-85152-01-6 | 2015 |
| The Gold Mine Effect: Crack the Secrets of High Performance | 978-1-84831-399-6 | 2012 |
HarperCollins Publishers · Icon Books Ltd · Sine Qua Non · Turbulenz · Westland