Solve the riddle:
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.
What am I?
Below you will find a hint and the correct answer to the riddle.
Little hint:
Show Hint
Hint: B**k
Right answer:
Show answer
Answer: A book.
