Allen Hatcher's HomepageAlgebraic Topology This book, published in 2002, is a beginning graduate-level textbook on algebraic topology from a fairly classical point of view. To find out more or to download it in electronic form, follow this link to the download page. Vector Bundles and K-Theory This unfinished book is intended to be a fairly short introduction to topological K-theory, starting with the necessary backgroun
