When he set out to visit all of the planet's countries by age 35, Chris Guillebeau never imagined how many people like himself exist—each pursuing a challenging goal. These "questers" included a suburban mom pursuing a wildly ambitious culinary project, a DJ producing the world's largest symphony, and a young widower completing the tasks his wife would never accomplish. Deducing that these goals were an important aspect of long term happiness, Guillebeau probes these individuals' motivations, the role played by friends and family, and the importance of documentation. Here too is questing's other side: what happens after the summit is climbed, the painting hung, or the endurance record broken?