nowadays one can make an interactive "book" bitemporal. That is, facts/history depend on when they have happened, and when one learned (=read) about it... So if

nowadays one can make an interactive "book" bitemporal. That is, facts/history depend on when they have happened, and when one learned (=read) about it... So if u reread something in the first half, after u read the middle, u read different version of it.. https://en.wikipedia.org/wiki/Temporal_database https://en.wikipedia.org/wiki/Temporal_database And then multi-viewpoint - different characters tell the story in different ways, with very different timelines of who learned what when. so when u're reading it as character A, in middle of story part of the then history changes completely because u learn something about B in the past.. While from point of view of B, that is well known since beginning, etc. But sadly, these need far more programming than any book-writer can do, and proper "engine/interpreter" to "play" the result.