Mastering the Dynamics of Innovation by Dr. James Utterback is an innovation classic. It describes how technologies and industries in the past have evolved over time, usually resulting in the large, established firm losing out to the smaller startups. Looking forward, I have no doubt his models and insights will be used to explain the evolution of firms and industries with us today. "A major work that will be cited for decades," says Professor James Brian Quinn at Dartmouth. I predict a much longer time frame than decades.