Power of persuasion and how this works, if that's something that interests you, then this is the book for you. It's a great set of tools if you are in marketing or sales, and if you are a consumer, then it's good to know how your psychology is used for or against you when making a purchase.
MY LEARNING FROM: THE LEAN STARTUP
This book has influenced me the most, personally in shaping my mindset and also in all my intrapreneurship and entrepreneurship related initiatives
MY LEARNING FROM: ZERO TO ONE
This is the perfect book for anyone trying to create a new product or service. As you know, Peter is one of the co-founders of PayPal and this book is basically the notes of his Stanford lecture.