Do you ever feel like you work non‑stop yet somehow accomplish only a little? What if you discovered that most of what you do produces very little of your real results—and that a tiny fraction of your actions generates almost everything valuable?

In The 80/20 Principle, Richard Koch shows you how to unlock a simple yet revolutionary truth: in nature, in business, and in life, roughly 80% of consequences come from 20% of causes. By identifying and focusing on the most productive few—those 20%—you can multiply your success, reduce wasted effort, and gain time, freedom, and satisfaction.

It’s a pre-owned version.