“The Invisible Library is a collection of books that only appear in other books. Within the library’s catalog you will find imaginary books, pseudobiblia, artifictions, fabled tomes, libris phantastica, and all manner of books unwritten, unread, unpublished, and unfound.”
There’s Polish SciFi author Stanislaw Lem that wrote a series of short stories which were reviews for books written in the future, one of which is a masterful work called “One Human Minute”