The Agora SA edition also contained the "Glossary of Lem's Terminology" ("Słownik terminów Lemowskich") based on the book Co to są sepulki? Wszystko o Lemie (2007) by Wojciech Orliński.
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Westfahl is a prominent science fiction critic along with Damien Broderick, John Clute, Thomas M. Disch, Carl Freedman, Stanislaw Lem, Eric Rabkin, Joanna Russ, and Brian Stableford.