Insights--like Darwin's understanding of the way evolution actually works, and Watson and Crick's breakthrough discoveries about the structure of DNA--can change the world. We also need insights into the everyday things that frustrate and confuse us so that we can more effectively solve problems and get things done. Yet we know very little about when, why, or how insights are formed--or what blocks them. In Seeing What Others Don't, renowned cognitive psychologist Gary Klein unravels the mystery.

Klein is a keen observer of people in their natural settings--scientists,...