In this must-have for anyone who wants to better understand their love life, a mathematician pulls back the curtain and reveals the hidden patterns—from dating sites to divorce, sex to marriage—behind the rituals of love.

In this groundbreaking book, Keith Law, the author of the acclaimed Smart Baseball, offers an era-spanning dissection of some of the best and worst decisions in modern baseball, explaining what motivated them, what can be learned from them, and how their legacy has shaped the game.

The New York Times bestseller about what would happen if two statistics-minded outsiders were allowed to run a professional baseball team.

Statistician Gary Smith shows how a statistical understanding of luck can change the way we see just about every aspect of our lives and help us learn to rely less on random chance, and more on truth.