Chapter 8
Read The Feynman Lectures (at least the first volume) and Decision Making under Uncertainty: Heuristics and Biases, Language in Thought and Action, Influence: Theory and Practice, Rational Choice in an Uncertain World, Gödel, Escher, Bach", "Step forward" and...
Chapter 10
"But the vast majority of eleven-year-olds arriving at Hogwarts have never read Gödel, Escher, Bach."
Chapter 22
He read Gödel, Escher, Bach, and Judgment Under Uncertainty: Heuristics and Biases, and the first volume of Feynman Lectures on Physics.
Chapter 87
"Right now, the main regulars are my inner Gaffel, Ravenclaw, Gryffindor, and Slytherin, inner critic, and simulated copies of you, Neville, Draco, Professor McGonagall, Professor Flitwick, Professor Quirrell, Mom, Dad, Richard Feynman, and Douglas Hofstadter."