The collection “Stories about the Pilot Pirx” is one of the pearls of the creative heritage of Stanislaw Lem. The story of the adventures of the hero, first a cadet, and then an experienced space pilot, delights readers not only with its plot diversity and fascination, but also with Lemov’s signature humor and subtle, unexpected philosophical overtones... In the novel “Invincible” Stanislav Lem, who went down in history science fiction, thanks to its surprisingly plausible depictions of human contacts with other civilizations, once again offers us a plot in which psychologically accurate observations coexist with philosophical problems. Does a commander have the right to put his subordinates at risk? Is the price of victory comparable to the cost of human life?