Keep turning the pages…

When she had got to the third page [of another story] and come to the end, she said, "That is the loveliest story I've ever read or ever shall read in my whole life. Oh, I wish I could have gone on reading it for ten years. At least I'll read it over again."
But here part of the magic of the Book came into play. You couldn't turn back. The right-hand pages, the ones ahead, could be turned; the left-hand pages could not.
... "It was about a cup and a sword and a tree and a green hill, I know that much. But I can't remember, and what shall I do?"'

--C.S. Lewis, "Voyage of the Dawn Treader"