If you've ever published an book before, then you know that writing and publishing it is less than half the battle. If you can't get it in the hands of your potential readers, your book will go unread and you make no money. If you haven't published a book, you're scared of this happening. You need a proven, step-by-step system to write, market, and promote your book in order to get customers and make money from your books.
The Lean Startup approach fosters companies that are both more capital efficient and that leverage human creativity more effectively. Inspired by lessons from lean manufacturing, it relies on "validated learning", rapid scientific experimentation, as well as a number of counter-intuitive practices that shorten product development cycles, measure actual progress without resorting to vanity metrics, and learn what customers really want.