Answer:
Since you are creating a satirical fairy tale parody with comedy, I'd recommend creating a character that is rude to everyone and criticizes others for their weaknesses. Then the lesson learned by the main character, in the end, should be to not only focus on others' weaknesses but notice their areas of expertise, and to treat others the way you want to be treated.
Library is to book as book is to words or knowledge
Because it has the POTENTIAL to be converted into other forms of energy (i.e kinetic energy)
hope i helped!