Peace on EarthStanislaw Lem
Original title: Pokój na Ziemi.
Ijon Tichy is the only human who knows for sure whether the self-programming robots on the moon are plotting a terrestrial invasion. But a highly focused ray severs his corpus collosum. Now his left brain can't remember the secret and his uncooperative right brain won't tell. Tichy struggles for control of the lost memory and of his own two warring sides.