The "dream" is a the Wesleyan series of science fiction novels written by the Hong Kong science fiction writer Ni Kuang , Series No. 45. The story focuses on the causal relationship of the Past and Present, and the story is quite dramatic results. The author said in the preface, this is his favorite story, because he believes that the structure is very complete, twists of fate, the events of two different eras mixed together, not only unexpected result, but the causal made very bold vision is not common in the Wesley Series .