Isaac Newton's Book Auctioned for Record-Setting $3.7 Million

A bound copy of Sir Isaac Newton's seminal book on mathematics and science was sold for $3.7 million, making it the most expensive printed scientific book ever sold at auction, according to Christie's, the auction house that handled the sale. The book has a Latin title — "Philosophiae Naturalis Principia Mathematica," which translates to "Mathematical Principles of Natural Philosophy," but scholars often call it the Principia. After Newton (1642-1727) wrote the book, he gave it to the Engl