Are people in Switzerland happier because it is the most democratic country in the world? Do citizens of Qatar, awash in petrodollars, find joy in all that cash? Is the King of Bhutan a visionary for his initiative to calculate Gross National Happiness? Why is Asheville, North Carolina so damn happy?

In a unique mix of travel, psychology, science and humor, Eric Weiner answers those questions and many others, offering travelers of all moods some interesting new ideas for sunnier destinations and dispositions.