Effective use of time and energy is perhaps the main problem of a modern busy person. David Allen, creator of the legendary Getting Things Done system and author of the bestselling books Getting Things Done and How to Keep Things Done, has made it his life's work to develop stress-free methods for increasing productivity. Not only is this book a great start for those who are just -I just decided to put things in order and was scared by the scale of the work, but also for experienced GTD users who need to quickly check the state of affairs and adjust course in time. Previously, the book was published under the title “How to quickly get things in order.” Fifty-two short chapters of the book are “effective perspectives and behaviors that apply anywhere, anytime” and make life better.