Answer:
I have three heads. Cut off one I become stronger. Cut off two I become ten.
I am needed for most animals and hardcover books. What am I?
What room do ghosts avoid?
What is black when you buy it, red when you use it, and gray when you throw it away?
I give light by night, but not by day. I am wicked but not evil in any way. Wax for the most but always wane; except when I'm out, I stay the same. What am I?
What is the middle of water but is not an island?