How many books will you read before you die?

CHOOSING YOUR next book can be a daunting task. Do you go with one that will broaden your worldview and pique your imagination? Perhaps a neglected classic, or the newest sensation? Or, defying the snobs, do you indulge in a salacious romp? The choice is all the more daunting when you consider how much reading time you have left in a lifetime. Calculating this might strike you as morbid. But The Economist dived in with glee. Our back-of-the-envelope calculations show how many books you can still hope to read—and how to make time for the best ones.