Imagine entering a room that is familiar to you, but you are having trouble getting around in it because the lights are out. It is completely dark. If you have found yourself in that situation, chances are that you wished you had a flashlight to help you.
If you had that flashlight, it would make getting around the room easier, faster, safer, and more comfortable. Wouldn't it?
As a new supervisor, you are likely to find yourself in similar surroundings. Perhaps you are still coming to the same place and interacting with the same people as you had before your promotion. The room might be the same, but we bet it feels a bit like that dark room. It is a familiar place but dark and hard to navigate.
Consider this book to be your ...