explores the characteristics in the writing, marketing and reception of science fiction which distinguish it as a genre. Damien Broderick explores the postmodern self-referentiality of the sci-fi narrative, its intricate coded language and discursive ‘encyclopaedia'. He shows how, for perfect understanding, sci-fi readers must learn the codes of these imaginary worlds and vocabularies, all the time picking up references to texts by other writers. includes close readings of paradigmatic cyberpunk texts and writings by SF novelists and theorists including Isaac Asimov, Arthur C. Clarke, Brian Aldiss, Patrick Parrinder, Kim Stanley Robinson, John Varley, Roger Zelazny, William Gibson, Fredric Jameson and Samuel R. Delaney.