Lidia Kośka – the author of Lec. Autobiografia słowa [Lec. An Autobiography of the Word] (2008) – a literary biography of Stanisław Lec. She is also the editor of Głosy z Aszkenaz. Przysłowia i powiedzenia żydowskie [Voices from Ashkenaz. Jewish Proverbs and Sayings] (2007), in which he explores the origin of Jewish proverbs and sayings on the one hand and presents the cultural context of their meanings on the other hand.