CAMERON DIAZ wrote her No. 1 New York Times bestseller The Body Book: The Law of Hunger, the Science of Strength, and Other Ways to Love Your Amazing Body in 2013, followed three years later with the publication of The Longevity Book: The Science of Aging, the Biology of Strength, and the Privilege of Time. Online, Diaz’s The Body Book site features healthy recipes, fitness articles and more, all focusing on sustaining a wholesome life. ourbodybook.com