books.google.com - This book is an introduction to manifolds at the beginning graduate level. It contains the essential topological ideas that are needed for the further study of manifolds, particularly in the context of differential geometry, algebraic topology, and related fields. Its guiding philosophy is to develop...http://books.google.com/books/about/Introduction_to_topological_manifolds.html?id=wyuzE2lSPAgC&utm_source=gb-gplus-shareIntroduction to topological manifolds
