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.

"A mix of science, philosophy and science fiction, [this] is at once entertaining, thought-provoking, fabulously ambitious and fabulously speculative." -The New York Times

"Provocative, original, and unsettling." -The New York Review of Books

"An excellent writer, a creative thinker."-Nature

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Lee Smolin, Professor of Physics at the Center for Gravitational Physics and Geometry at Pennsylvania State University, is a visiting professor at the Imperial College, London, through spring 2001. A leading contributor to the search for a unification of quantum theory, cosmology, and relativity, he is the author of The Life of the Cosmos.

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