| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 2011 |
|
Niemandes Freund | Bastei Lübbe | Chapbook | |
| June 2011 |
|
Niemandes Freund | Lübbe Digital | Chapbook | |
| 2015 |
|
Niemandes Freund | Bastei Entertainment | Chapbook |