Answer:
Its title means book.
My teeth are sharp, my back is straight, to cut things up it is my fate.
There is a creature of God whose body is hardอพ it does not wish to eat unless you strike its head.
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has handsอพ lacks a head but has a face.
What is put on a table, cut, but never eaten?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?