Answer:
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.
What an fill a room but takes up no space?
What is it that you must give before you can keep it.
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
What covers its face with its hands, speaks no language, yet most known what it's saying?