If you have been thinking for a while to kick-off your start-up, Running Lean is without a doubt our first recommendation. This book is simple, easy to follow and it is loaded with several examples that would give you a good idea of how to start the road. It provides an interesting methodology focus on the development of the start-ups around customer problems rather than the traditional way starting with an idea. If you are starting your start-up and are entangled in the process of writing down a business plan, stop and read this book. It will save you a lot of hours of time wasted. Moreover, the canvas suggested by Ash Maurya in the book will allow you to map out your business in few minutes without the hectic development of a long and painful business plan.