#1 New York Times Bestseller #1 USA Today bestsellerThe ultimate guide on leadership from the bestselling co-author of Extreme Ownership.In the military, a field manual provides instructions in simple, clear, step-by-step language to help soldiers complete their mission. In the civilian sector, books offer information on everything from fixing a leaky faucet to developing an effective workout program to cooking a good steak. But what if you are promoted...