Answer:
I wiggle and cannot see; sometimes underground and sometimes on a tree. I really don't want to be on a hook and I become a person when combined with “book”.
I am often sold by children entrepreneurs in summer time
What is the saddest fruit?
I have no bed to sleep and no palace to live. I don't have a single coin but I am known as king. What am I?
Everyone has me except for a few. You may not be able to identify me but I can always identify you. What am I?
What begins and has no end? What is the ending of all that begins?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic