Answer:
What goes up but never comes down?
High born, my touch is gentle. Purest white is my lace. Silence is my kingdom. Green is the color of my death.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
Just head and foot yet never tires of dancing.
This is needed both for courage and hardcover books.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?