When A.G. Lafley returned as CEO of Procter & Gamble, he partnered with Roger Martin to rethink how the company made strategic choices. In ten years, they doubled sales, quadrupled profit, and increased P&G’s market value by more than $100 billion.

Playing to Win, Expanded with Bonus HBR Articles: How Strategy Really Works explains how they did it—and how you can, too. This updated edition includes a new preface, a foreword by HBR Editor at Large Adi Ignatius, and two bonus HBR articles that sharpen the book’s most enduring ideas. It distills a decade of hard-won lessons into a framework leaders can put to work immediately.