Answer:
I am needed for most animals and hardcover books. What am I?
I am used for light yet I am solid. Without me you would feel enclosed. I hate being touched especially with a lot of force. I like to be in buildings.
I look at you you look at me I raise my right you raise your left.
I am commonly abbreviated to H
I am the place to turn to when nature calls. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic