EN
The article presents the results of historical and bibliological research, the aim of which is to reconstruct the history of the “Ignis” Publishing Society established by the Polish Socialist Party. The first part of the study presents the history of the publishing house reconstructed on the basis of scientific studies, memoirs and archival materials, as well as the compactness of the interwar press - bookselling and socio-cultural. The second part contains the results of quantitative and qualitative (structural) analysis of the publishing repertoire. This study is the first one in a series devoted to the activities of the PPS publishing house.