Answer:
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
I contain six letters, minus one and you got twelve. What am I?
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I’ve told you all I cannot tell you more.
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
Born of sorrow, grow with age, you need a lot of me to be a sage. What am I?
Give it food and it will live, give it water and it will die.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic