The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses by Eric Ries - Book Summary - Readtrepreneur
(Disclaimer: This is NOT the original book, but an unofficial summary.)

Startups don't fail by chance, they fail due to mistakes that can be prevented. In The Lean Startup you will become knowledgeable enough to avoid the typical mistakes that make businesses fail and know how to create the startup you were expecting to have. Creating a successful startup is not an easy feat, it's an uncertain road where success is not guaranteed and failure results in a great economic loss. To prevent the latter, you will need to know enough about the game before you start playing it and that's where The Lean Startup comes in handy!

(Note: This summary is wholly written and published by Readtrepreneur. It is not affiliated with the original author in any way)

"The only way to win is to learn faster than anyone else." - Eric Ries

The Lean Startup's philosophy is simple "learn from the best". After an in-depth study of the most successful startups out there, this brilliant guide was made so you could learn from the cream of the crop. Trial and error is expensive and wastes a lot of time so start learning from the best before you jump into the startup world. Uncertainty when building a startup is unavoidable, being prepared for everything that could happen is up to you.

P.S. The Lean Startup is an extremely informative book that will show you the ropes of creating your own successful startup.