Karol Śliwka is one of the most respected Polish designers and creator of over 400 signs. The most recognizable ones include: PKO Bank Polski, the National Library and Wydawnictwo Szkolne i Pedagogiczne. The album was created as a catalog for the exhibition "Karol Śliwka. "Polish Projects Polish Designers" (2018), contains a profile of the master, texts as well as several dozen photos of signs that can still be found in public spaces in Poland to this day.