Gregg Olsen · O. G. · Olsen Jack Gregg Jack
| title | ISBN-13 | year of publication |
|---|---|---|
| Lodowa kurtyna | 978-83-7839-748-9 | 2014 |
| Siewcy strachu | 978-83-8069-009-7 | 2015 |
| Szosta ofiara | 978-83-7961-127-0 | 2015 |
| Wiezy krwi | 978-83-7961-016-7 | 2014 |
| Wszedzie snieg | 978-83-7839-455-6 | |
| Zazdrosc | 978-83-62478-67-5 | 2012 |
| Zgliszcza | 978-83-7839-530-0 | 2013 |