Did O.J. do it? How should you flip your mattress to get the maximum wear out of it? How does Google search the Internet? How many people should you date before settling down? Believe it or not, math plays a crucial role in answering all of these questions and more.

In 2010, award-winning professor Steven Strogatz wrote a series for the New York Times online called "The Elements of Math." It was a huge success. Each piece climbed the most e-mailed list and elicited hundreds of comments. Readers begged for more, and Strogratz has now delivered. In this fun, fast-paced book, he offers us all a second chance at math.

Each short chapter of The Joy of x provides an "Aha!" moment, starting with why numbers are helpful, and moving on to such topics as shapes, calculus, fat tails, and infinity. Delivering the subject in a fresh, new way, Strogratz is the math teacher you wish you’d had, and The Joy of x is the book you’ll want to give to all your smart and curious friends.

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