books.google.com - K-theory has helped convert the theory of operator algebras from a simple branch of functional analysis to a subject with broad applicability throughout mathematics, especially in geometry and topology, and many mathematicians of diverse backgrounds must learn the essential parts of the theory. This...http://books.google.com/books/about/K_Theory_for_Operator_Algebras.html?id=214a1Wri63QC&utm_source=gb-gplus-shareK-Theory for Operator Algebras