Doskonała próżnia (English: The Perfect Vacuum) is a collection of reviews by Stanislaw Lem of fictitious books (except St. Lem: "Doskonała próżnia" which is a review of this book), first published in 1971.
St. Lem: "Doskonała próżnia"
"Les Robinsonades" par Marcel Coscat
Patrick Hannahan: "Gigamesh"
Simon Merril: "Sexplosion"
Alfred Zellermann: "Gruppenführer Louis XVI"
"Rien du tout, ou la consequence" par Solange Marriot
Joachim Fersengeld: "Perycalypsis"
Gian Carlo Spallanzani: "Idiota"
"Do yourself a book"
Kuno Mlatje: "Odys z Itaki"
Raymond Seurat: "Toi"
Alistar Waynewright: "Being Inc."
Wilhelm Klopper: "Die Kultur als Fehler"
Cezar Kouska: "De Impossibilitate Vitae"; "De Impossibilitate Prognoscendi"
Alfred Testa: "Nowa Kosmogonia"
