Stanislaw Lem books in order
21 books in the catalogue, about 103 hours of reading in all; the shortest takes 3 hours and the longest 9 hours.
21 standalone books in the catalogue.
Standalone books
Solaris 4.2 h 
Summa Technologiae 9.0 h 
The Cyberiad 6.0 h 
The Star Diaries 5.9 h 
The Invincible 4.2 h 
Eden 5.3 h 
His Master’s Voice 4.8 h 
More Tales of Pirx the Pilot 4.1 h 
Return from the Stars 4.7 h 
A Perfect Vacuum 4.4 h Memoirs Found in a Bathtub 3.7 h 
The Futurological Congress 2.7 h 
Hospital of the Transfiguration 4.3 h 
The Chain of Chance 3.3 h 
Mortal Engines 4.4 h 
Fiasco 6.9 h 
Tales of Pirx the Pilot 3.8 h 
Creations 6.4 h 
Imaginary Magnitude 4.6 h 
Microworlds 5.4 h 
Peace on Earth 4.7 h