We live in a world that is very fast paced. We rush around and the speed is relentless. We try to cram as much as possible into every day. Time management is no longer a good solution. Jim Loehr and Tony Schwartz demonstrate in this groundbreaking book that managing energy (not time) is the key to getting high performance. You also have to stay healthy and happy to achieve life balance. A typical das houres are fixed but the quantity and quality of energy available to us is not fixed. You need to manage your energy both on and off the job.