# Math Book Sells for Record $3.7 Million (Or the Price of Like Two College Textbooks)

The first edition of Sir Isaac Newton’s *Principia Mathematica* was sold for $3.7 million at Christie’s on Wednesday, becoming the most expensive printed science book ever sold at auction—[insert joke about outrageous college textbook prices]. Albert Einstein described Newton’s seminal 1687 work as “perhaps the greatest…