That version definitely sounds clearer. He may be saying “All the answer are in there.” It does not sound like he is saying “Not many answers in it”. This makes more sense.
Rubio: Got a good book there.
Staff “Yes sir”
Rubio: All the answers are in there.
Rubio: Especially in that one.
You could go to work for NBC. Very good creative writing. Too bad its just your imagination.