Book excerpt: Do you have enough time? Do you have enough money? Efficiency is a way to get more of both. It's not a compromise; it's an optimization that makes everything better. It's a way to live more lightly on the planet, and at the same time to live more comfortably. It's quality verses quantity.Efficiency rewards you the way a financial investment grows. Just as compound interest allows your money to grow over time, efficiency's benefits continue to accumulate. Efficiency has a better return with a higher guarantee than any financial investment. To get results just replace some old, bad habits with new, better ones.This book has three major sections. 1. The first third can help you organize your life so you have more time and money.2. The middle third will help you build or buy a better house. This section includes many practical details to help you design a new home or improve the efficiency of your existing one.3. If you work in a corporation and want to improve your buildings, systems, or work processes, then the final third is for you.Could you use more joy in your life? The tips in this book could provide the secret you've been missing - the joy of efficiency.