I've had the same experience with the books. After I read all Agatha Christie murder-mystery books, I started re-rereading them, and could not recall who dun-it

I've had the same experience with the books. After I read all Agatha Christie murder-mystery books, I started re-rereading them, and could not recall who dun-it. I have to say I think it's not great literature if it's so easy to forget the plot.