Write a review of The Essential Engineer(answer question: What want is your RESPONSE to the book. Something in it the book is going to resonate with you. He's going to say something you agree with, or disagree with. Tell me about that. He's going to talk about how engineers have responded to different challenges of the past and today. You are going to be an engineer too. What do you think are the grand challenges of our time now, and how will you respond to them?)