Lem's best work (IMO) is the stuff about robot culture, including jokes. Try The Cyberiad and Mortal Engines. Edit: Though, to be fair, Lem didn't write near-f

Lem's best work (IMO) is the stuff about robot culture, including jokes. Try The Cyberiad and Mortal Engines. Edit: Though, to be fair, Lem didn't write near-future SF, his robot stories were more like alternate universes.