In this book Oded Galor offers a captivating solution to the two seminal mysteries of human flourishing and inequality. Why are humans the only species on the planet to have escaped the subsistence trap, allowing us to enjoy a standard of living that vastly exceeds all others? And why have we progressed so unequally around the world, resulting in the great disparities between nations that exist today? A grand unifying theory of human flourishing and inequality from one of the world's pre-eminent thinkers.