Often available via their subscription service or for individual purchase. Empik: A primary source for Polish digital literature.
While "skachat" (download) queries often point toward pirate repositories, the most reliable way to enjoy Pruszewicz’s work—while supporting the author—is through legitimate Polish digital bookstores. Many of these platforms offer multi-format downloads (MOBI, EPUB, and sometimes FB2) upon purchase: zagadka dlia gimmlera skachat fb2
A great community site to check reviews and find direct links to authorized retailers. Often available via their subscription service or for