In a handful of nations, virtually all children are learning to make complex arguments and solve problems they've never seen before. They are learning to think, in other words, and to thrive in the modern economy. What is it like to be a child in the world's new education superpowers? In a global quest to find answers for our own children, author and Time magazine journalist Amanda Ripley follows three Americans embedded in Finland, South Korea, and Poland for one year. Their stories, along with groundbreaking research into learning in other cultures, reveal a pattern of startling transformation: none of these countries had many "smart" kids a few decades ago. Things had changed. Teaching had become more rigorous; parents had focused on things that mattered; and children had bought into the promise of education