If you want a purely cerebral exercise like a puzzle or vidoe game, based purely on strategy and realtime analysis then reading a book about what was previously done or what to do in a certain situation defeats the whole purpose.
lol...I have no idea how that purports to make sense.
btw , chess purely for the purpose of winning & raising one's rating is one way to look at the game. That requires reading many books and studying games.
If you want a purely cerebral exercise like a puzzle or vidoe game, based purely on strategy and realtime analysis then reading a book about what was previously done or what to do in a certain situation defeats the whole purpose. This is like a weekend sports game where the purpose is to enjoy playing the game.