The impact of Isaac Newton’s scientific work is legendary today, and now it appears that his groundbreaking treatise of 1687 reached a wider audience during his own time than was previously thought. The tome, known as the Principia, transformed human understanding of celestial and terrestrial forces, providing a mathematical basis for the movement of planets, moons, and comets, as well as objects on Earth. A new archival census has more than doubled the known number of first editions of the book, including the first ones located in Asia. “The Principia…