Previous Image Next Image Eileen Gunn. “A Difference Dictionary,” [in:] Science Fiction Eye 8, Winter 1991. Eileen Gunn. “A Difference Dictionary,” [in:] Science Fiction Eye 8, Winter 1991. Eileen Gunn’s gloss on Gibson and Sterling’s The Difference Engine, in an issue of the smart and stylish critical magazine Science Fiction Eye. No. 54.