Peak: Secrets from the New Science of Expertise, by Anders Ericsson and Robert Pool. The book's core argument is that expert performance is not solely a result of innate talent, but instead is primarily driven by deliberate practice. The authors use extensive research on musicians, athletes, chess players, and other experts to demonstrate that focused, goal-oriented practice can lead to profound and lasting improvements in skill. The authors go on to explore how the brain adapts to this practice, and how motivation can be maintained to reach peak performance. The text also discusses how certain skills require early training, and how the belief in natural talent can limit potential.