Tales of Pirx the Pilot / Return from the Stars / The Invincible

From Author Wars - https://authorwars.com/books/tales-of-pirx-the-pilot--return-from-the-stars--the-invincible-1395378.html

Overview:

Title: Tales of Pirx the Pilot / Return from the Stars / The Invincible
Author: Stanisław Lem
Year: 1982
Type: Omnibuses

Variant Titles:

1982. Tales of Pirx the Pilot / Return from the Stars / The Invincible