The article aims at a critical analysis of materials included in the eighth volume of “Epistolografia w dawnej Rzeczypospolitej” [Epistolography in the Former Republic of Poland]. It is a series edited by the academics from the Pedagogical University in Krakow: Piotr Borek and Marcel Olma. The eighth volume has been co-edited by Marcin Piątek. The monograph adopts a scientific approach to epistolography, analysing it from three perspectives, namely literary, linguistic and historical.