Answer:
Be sure to shout for its answers are weak, but there is no language it cannot speak.
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
I can be short and sometimes hot. When displayed, I rarely impress.
I bind it and it walks. I loose it and it stops.
You use it between your head and your toes, the more it works the thinner it grows.