Wydawnictwa Szkolne i Pedagogiczne (WSiP; the company name has been variously translated as School and Pedagogical Publications, Scholastic and Pedagogical Publisher or Publishing House for School and Pedagogical Books) is a Polish educational book publisher founded in Warsaw, Poland, in 1945. The company has been described as "known to all Polish students and educators". It had a monopoly on textbook publishing in Poland from 1950s to 1989. In 2004 it has been described as the biggest Polish textbook publisher, and in 2019, as one of Poland's two market leaders in the Polish school textbooks market, with the other main leader being the Nowa Era Publishing House. Source: Wikipedia (en)