Answer:
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
found at the back of the book.
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.
I am higher than the king. What am I ?
I am black within and red without; with four corners round about. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.