In Three Roads to Quantum Gravity, Lee Smolin provides an accessible overview of the attempts to build a final theory of everything He explains in simple terms what scientists are talking about when they say the world is made from exotic entities such as loops, strings, and black holes and tells the fascinating stories behind these discoveries the rivalries, epiphanies, and intrigues he witnessed firsthand Written with exceptional style and clarity, Three Roads to Quantum Gravity confronts the deepest questions of the nature of the universe and provides a preview of some of the remarkable scientific developments we can look forward to in the st century Lee Smolin has been my preferred science writer for many years now and he continues to capture my interest with his thoughtful and beautifully expressed manner.This book is a masterful piece of work by him Unlike some other authors who hold a strong viewpoint, he is not confronting or derisive of other researchers He shares his thoughts beautifully and with great care His descriptions for the layperson who is not mathematically endowed are brilliant.I recommend this book to anyone who holds an interest in this subject matter He held my interest throughout this book.I should also mention with delight that he doesn t travel over the standard well trodden fare that one regularly encounters these days of telling us the history of science that we already know well enough from.past reading The whole of this book is the meat of the theories being expressed throughout. Smolin is a poor and lazy writer.What is one to make of the statement There is no time apart from change I do understand what he s getting at but, really, does that statement even make sense Here s another example Time is described only in terms of change in the network of relationships that describes space This statement is immediately followed by This means that it is absurd in general relativity to speak of a universe in which nothing happens Oh really and why is that Smolin can t bother himself to tell us.It s also absurd to write a popular science book with no empathy for the uninitiated reader, and yet that s exactly what Smolin has done here.I ll be seeking an alternative text. This book describes the processes and some of the people behind the strands of research into the most recent developments in physics from the viewpoint of one of its most notable proponents It s nature makes it heavy going on places, because the subject is dependent on the use of advanced mathematics in ways that defy easy explanation A little explanation of the jargon might help those unfamiliar with the subject. I have read a good few books of this genre and came away with some understanding of the underlying concepts However, this author seems to keep going round in circles describing the same thing To me it seems that the editing is somewhat lacking.