Answer:
This is needed both for courage and hardcover books.
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love or tear it down. I can make a smile or bring a frown.
What word is the same written forward, backward and upside down?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
I am what remains when nothing is left.What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.