ანოტაცია: Have you always wanted to learn a new language? Play an instrument? Launch a business? What's holding you back from getting started? Are you worried about the time it takes to acquire new skills - time you can't spare? Pick up this book and set aside twenty hours to go from knowing nothing to performing like a pro. That's it. Josh Kaufman, author of international bestseller The Personal MBA, has developed a unique approach to mastering anything. Fast.