“The Lean Startup” by Eric Ries is one of the most influential books in the world of startups that changed the course ofsuper development and growth. The Lean Startup process is introduced by Ries through principles such as build, measure and learn in a process called ‘The Lean Startup’. The book essentially gives an early prototype testing guide which an entrepreneur can use to introduce his idea to the market and get feedback from the customers which can help him to adjust the his model to market conditions within the shortest time possible. Ries speaks for avoiding waste, delivering more value and maintaining the culture of innovation and constant evolution. “The Lean Startup” has received particular attention due to detailed case-study descriptions and realistic recommendations that would come in handy when starting a business in the modern world.