| Original Language | German |
| First published | 2004 |
| Links | Official |
| Notes | First book of the Louise Boni series. Made into a TV-movie in 2015. |
Editions 1
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Morderstwo W Znaku Zen | Publicat S.A. | Paperback | Polish | Poland | 2008 |
Added by BadMoon