Answer:
I help you carry your books.
I go through a door but never go in, and never come out. What am I?
I cannot be other than what I am, until the man who made me dies. Power and glory will fall to me, only when he last closes his eyes.
I am the building with the most number of stories.
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?