Popular science at its very best-illuminating, groundbreaking and highly relevant to our lives: Time: A User's Guide spans a wide array of disciplines-brain physiology, social psychology, philosophy, and Einsteinian physics, among many other realms-all with the goal of answering fundamental questions about time: Why does time fly when we are happy? Why do minutes pass so slowly when we are waiting impatiently? How can we truly appreciate the present moment despite leading overextended lives? Something we've never had before: "operating instructions" showing us how best and most efficiently to understand and use time: Award-winning science writer Stefan Klein brings a journalist's eye for the telling detail to illuminate the highways and byways of time-always with the goal of guiding us to better master time (and to understand why we so often fail to do so). Woven into his narrative are dozens of ways to do just this, including: - how to not lose your head when a deadline is quickly approaching; - how the present becomes a memory-and vice versa; - how to attune to your inner clock for more productive, satisfying days; - and how to prevent each day's fast tempo from having a detrimental effect on your overall enjoyment of life.