sentences:  Sladek revisited robots from a darker point of view in the BSFA Award winning novel "Tik-Tok", featuring a sociopathic robot who lacks any moral "asimov circuits", and "Bugs", a wide-ranging satire in which a hapless technical writer (a job Sladek held for many years) helps to create a robot who quickly goes insane.Sladek was also known for his parodies of other science fiction writers, such as Isaac Asimov, Arthur C. Clarke, and Cordwainer Smith.These were collected in "The Steam-Driven Boy and other Strangers" (1973).