WThe AstronautsWThe Chain of ChanceWEden (Lem novel)WFiasco (novel)WThe Futurological CongressWGolem XIVWHis Master's Voice (novel)WHospital of the TransfigurationWThe InvestigationWThe InvincibleWThe Magellanic CloudWMemoirs Found in a BathtubWObservation on the SpotWPeace on Earth (novel)WReturn from the StarsWSolaris (novel)