Originally Posted by Jellby
Maybe, but then you could put all your book in a single file, and it would only make things slower (slower opening of the book, slower refreshing when changing font, etc.). So there's some kind of trade-off between avoiding much inter-file linking and avoiding large files.
It would be a fairly small book that can be placed in one file. There is a limit of less than 300K that is allowed for many eBook Readers do to their available RAM.