Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
Critic Michael Crowley gave such a poor review of one of author Michael Crichton's books that, in his next book, Crichton made a character 'Mick Crowley' who was a child molester with a small penis.
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Amazon sells more e-books than printed books.
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A man with locked-in syndrome, named Jean-Dominique Bauby, wrote an entire book by blinking his left eyelid.
11
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
Mathematical proof that 1+1=2 takes 162 pages to explain in the three volume work “Principia Mathematica”.
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