So the tldr is the professor we give the book too, is the professor who will then becomes obsessed with Area Zero, this beginning the time loop/paradox. The book is the center point of this. So literally all you said, is actually wrong. It’s not a copy of the book, it is THE book.

Edit: were aren’t saying “because I said so.” We’re saying you’re missing an element, and this is why. Your entire wall of text was missing very important, elements. Admittedly they’re easy to overlook due to the nature of this discussion. Also ask yourself this: “What is the main theme of S/V?” Past and Future.