Four Thousand Weeks: Time Management for Mortals “This is the most important book ever written about time management. Oliver Burkeman offers a searing indictment of productivity hacking and profound insights on how to make the best use of our scarcest, most precious resource. His writing will challenge you to rethink many of your beliefs about getting things done-and you’ll be wiser because of it.” -Adam Grant, #1 New York Times bestselling author of Think Again and host of WorkLife Time is o