1 DAVID AND GOLIATH by Malcolm Gladwell. Little, Brown. How disadvantages can work in our favor, from the author of “The Tipping Point” and “Outliers.” (2)

2 QUIET by Susan Cain. Crown. Introverts — one-third of the population — are undervalued in American society. (1)

3 THE POWER OF HABIT by Charles Duhigg. Random House. A Times reporter’s account of the science behind forming habits, and breaking them. (5)

4 THINKING, FAST AND SLOW by Daniel Kahneman. Farrar, Straus and Giroux. The winner of a Nobel in economic science discusses how we make choices in business and personal life and when we can and cannot trust our intuitions. (3)