The highest leverage is not which books, but who to meet. Find people you can discuss these topics with and that will push you're thinking the most. For this f

The highest leverage is not which books, but who to meet. Find people you can discuss these topics with and that will push you're thinking the most. For this forum, I'm assuming you are looking for math / science books (otherwise I'd recommend the Talmud, Bible or Quran), I'd recommend Real Analysis by Charles Chapman Pugh or Surely you're joking Mr Feynman (+ Feynman Lectures on Physics)