Answer:
I am the book one can never finish reading
I have cities with no people, forests with no trees, and oceans with no water. What am I?
What begins with T ends with T and has T in it?
I will disappear every time you say my name.
I fill a room but take no space. What am I?
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic