H. P. Lovecraft Vertical Slice by M. G. Niedzialkowski (editor)

As I tried to catch the words which the stoutly-fashioned floor so bafflingly intercepted, I was also conscious of a great deal of stirring and scratching and shuffling in the room below; so that I could not escape the impression that it was full of living beings—many more than the few whose speech I could single out.

The War of the Worlds by H. G. Wells

No one would have believed in the last years of the nineteenth century that this world was being watched keenly and closely by intelligences greater than man’s and yet as mortal as his own

The Metamorphosis by Franz Kafka

One morning, as Gregor Samsa was waking up from anxious dreams, he discovered that in bed he had been changed into a monstrous verminous bug. He lay on his armour-hard back and saw, as he lifted his head up a little, his brown, arched abdomen divided up into rigid bow-like sections.