I just devoured this book on my trip to Chile last week. The author, Lee Smolin, gives a very clear description off the main revolutions in physics and explain why and how does the string theory fails as a theory by itself. There are great examples explaining how the great scientist, such as Galileo, Kepler, and Einstein got theirs insights and played important roles in modern science.This is a book for the layman, although a little bit of basic physics helps to see the big picture more clearly. I recommend it for everyone that is starting a career on physics/astronomy (at least it helped me a lot!).
