Answer:
I'm not a bird but I can fly through the sky. I'm not a river but I'm full of water.
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I’ve told you all I cannot tell you more.
I am the word that is always spelled correctly by everyone.
I'm tall I'm round and hollow Seems to get chewed a bit But you'll rarely see me unless the other end is lit.
What do you call a sleeping bull?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.