Answer:
I crawl on the earth. And rise on a pillar.
What can you catch but not throw?
This is needed both for courage and hardcover books.
Sharp and long, flag of the world. What is it?
What relies on columns but isn't a house, and asks for help but can't speak itself?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?