If you amalgamated the methodical, punctilious, world-building skills of Ian McDonald (“The Dervish House”) with the reality-distortion powers of Philip K. Dick (“The Man in the High Castle”) and then folded in the satirical, take-no-prisoners savagery of Norman Spinrad (“The Iron Dream”), you might very well be able to produce a book approximating Matt Ruff’s “The Mirage” — God willing, as Ruff’s characters are continually cautioning.Read more ...