Is This the One Book That Will Change Your Life?

This is the one book that you were going to bring on a desert island in terms of productivity or self development, personal growth. There's just, there's so much stuff in here. The way that it's presented, i feel like it's very approachable,. You don't have to memorize a complete big system. It's almost like he has all this experience, and he's assuming that he's talking to like a a peer or a colleague who kind of understands the stuff already. And if you don't understand it, you don't have the opportunity to jump in and ask questions.