Philosophiæ Naturalis Principia Mathematica vs The Fountainhead
Which book? Pick one and see how the world splits.
- Philosophiæ Naturalis Principia Mathematica Isaac Newton · 1687 50% · #147 in the world
- The Fountainhead Ayn Rand · 1943 50% · #142 in the world
The world's split right now, from everyone's votes on Books.