Philip K. Dick

“ My wife and children were playing Monopoly in the kitchen. I joined them and played with frantic fervor, brow feverish, teeth chattering.
I had had enough of the thing. I want to hear no more about it. Let them come on. Let them invade Earth. ”

“ The reference was clearly to a nonhuman species of incredible properties, not indigenous to Earth. A species, I hasten to point out, customarily masquerading as ordinary human beings. Their disguise, however, became transparent in the face of the following observations by the author. ”

“ Yet, to the characters in the book, it was perfectly natural--which suggested they belonged to the same species.
And the author? A slow suspicion burned in my mind. The author was taking it rather too easily in his stride. Evidently, he felt this was quite a usual thing. He made absolutely no attempt to conceal this knowledge. The story continued:
...presently his eyes fastened on Julia. Julia, being a lady, had at least the breeding to feel indignant. She is described as blushing and knitting her brows angrily. At this, I sighed with relief. They weren't all non-Terrestrials. ”