From Canada's #1 BESTSELLING THOUGHT LEADER: Calling on history, cutting-edge research, complexity science and even Lord of the Rings, Homer-Dixon lays out the tools we can command to rescue a world on the brink.For three decades, the renowned author of The Upside of Down: Catastrophe, Creativity, and the Renewal of Civilization, and The Ingenuity Gap: Can We Solve the Problems of the Future?, has examined the threats to our future security--predicting a deteriorating global