books.google.co.uk - This book is an introductory graduate-level textbook on the theory of smooth manifolds, for students who already have a solid acquaintance with general topology, the fundamental group, and covering spaces, as well as basic undergraduate linear algebra and real analysis. It is a natural sequel to the...http://books.google.co.uk/books/about/Introduction_to_smooth_manifolds.html?id=xygVcKGPsNwC&utm_source=gb-gplus-shareIntroduction to smooth manifolds