2018: Boli tylko, gdy się śmieję... [pl] Listy i rozmowy (It Only Hurts When I Laugh[3]... Letters and Conversations) is a selected correspondence between Stanisław Lem, the poet Ewa Lipska, and Lem's son, Tomasz Lem, as well as records of conversations between Lem and Lipska in early 2000s.[4]
2013: Sława i Fortuna [pl], ISBN978-83-0804934-1, 736pp, is a selection of Stanisław Lem's letters to his translator Michael Kandel during 1972–1987. It includes introduction by Jerzy Jarzębski and comments by Maciej Urbanowski.[5][6]
2002: Listy albo opór materii [pl] (Letters or Resistance of Matter) is a collection of letters written by Stanisław Lem from 1955 to 1988. The selection was carried out by Jerzy Jarzębski, who also wrote the afterword. The book includes brief biographical notes about the addressees and an index of names. The collection contains the author's correspondence with various institutions of the Polish People's Republic and letters written to friends, including: Helena Eilstein, Antoni Słonimski, Wiktor Woroszylski, Jerzy Jarzębski, Daniel Mróz, Szymon Kobyliński, Michael Kandel, and biophysicist prof. Władysław Kapuściński[8]