In this ground-breaking book perfect for readers of The Power of Habit and Quiet, Harvard scientist Todd Rose shows how our one-size-fits-all world is actually one-size-fits-none.

Each of us knows we're different. We're a little taller or shorter than the average, our salary is a bit higher or lower than the average, and we wonder about who it is that is buying the average-priced home. All around us, we think, are the average people—with the average height, the average salary and the average house.

But the average doesn't just influence how we see ourselves—our entire social system has been built around this average-size-fits-all model. Schools are designed for the average student. Healthcare is designed for the average patient. Employers try to fill average job descriptions with employees on an average career trajectory. Our government implements programs and initiatives to serve the average person. For more than a century, we've...