The phrase "within the books" is correct and usable in written English.
It can be used to refer to content, information, or concepts that are found inside books.
Example: "The answers to your questions can be found within the books on the shelf."
Alternatives: "inside the books" or "in the books".
There are numerous parallels, repetitions, and discrepancies within the books of Samuel.
I think the hypocrisy of it says a lot about society in general, not just within the books.
Initially, books provided an escape – "I lived more within the books I was reading than in my own environment" – and so did writing.
Much has been made about Dumbledore's status as a gay character - something confirmed by the author, but never within the books themselves – and now Rowling has talked up the number of LGBTQ and Jewish characters in the series.
One particularly memorable session was dedicated to the Footprints project, which traces the movement of the Jewish book through time and place, often based on evidence found within the books themselves.
She may have invented Hogwarts and all the wizards within it, she may have created the most influential fantasy books since J. R. R. Tolkien, and she may have woven her spell over thousands of pages and seven novels, but there seems to be no compelling reason within the books for her after-the-fact assertion.
With "Ruby Redfort: Look Into My Eyes," those books-within-the-books are now a reality.
And if the heroes in the book-within-the-book are more memorable than Benedick himself, well, it's probably inevitable.
Zone 1/2 s reprinted in "Life Style" in its entirety, a book-within-the-book laid out on five double-page spreads.
At this point, the spectral book-within-the book that has appeared in italicized snippets — the anonymous story of an unhappily married Yugoslav woman who is unfaithful to her husband — begins to make sense.
There's no book within the book.
