please add cover - grzechy templariuszy

[Jakub]

It's official publishers page:
https://www.e-bookowo.pl/sekrety-hist...
or more like self publishing platform but still the only official place for this e-book.

[Nyx]

Jakub wrote: "It's official publishers page:
https://www.e-bookowo.pl/sekrety-hist...
or more like self publishing platform but still the only official place for this e-book."

Done.

[Jakub]

Thanks Niki