The Importance of Literary Hiddenness

If this theory is correct then why did seus luis keep his planetary theme a secret? He had a fully worked out theory of literary hiddenness in the capper element he wrote about it for goodness sake we ought to expect this. The children don't know that they are in a world as it were created by Jupiter and their unawareness of this fact is a reflection of that common human condition. We have a natural tendency to be oblivious to the obvious in mere christianity, writes Lewis.