A delightful tour of the greatest ideas of math, showing how math intersects with philosophy, science, art, business, current events, and everyday life, by an acclaimed science communicator and regular contributor to the New York Times. AUTHOR: Steven Strogatz is a professor of applied mathematics at Cornell University. A renowned teacher and one of the world's most highly cited mathematicians, he has been a frequent guest on National Public Radio's RadioLab. He is the author of Sync and The Calculus of Friendship, the story of his thirty-year correspondence with his high school math teacher.