a very beautifully and elegantly written introduction to those areas of modern differential geometry that either now play, or presumably will play, a role in particle physics and general relativity SIAM ReviewCambridge University Press is committed to keeping scholarly work in print for as long as possible A short print run of this academic paperback has been produced using digital technology This technology has enabled Cambridge to keep the book in print for specialists and students when traditional methods of reprinting would not have been feasible While the new digital cover differs from the original, the text content is identical to that of previous printings