(Excerpt): 'There is a limit to how perfect a counterfeit can be-a limit that cannot be passed without an odd phenomenon setting in....'. Intriguing book leads you to think beyond where you are or are not.(Goodreads)

James Henry Schmitz (October 15, 1911 April 18, 1981) was an American science fiction writer born in Hamburg, Germany of American parents. Schmitz wrote mostly short stories, which sold chiefly to Galaxy Science Fiction and Astounding Science-Fiction (which later became Analog Science Fiction and Fact). Gale Biography in Context called him "a craftsman-like writer who was a steady contributor to science fiction magazines for over 20 years." (Wikipedia)