Since the topic was ".Net" and not "enterprisey web stuff" - my list of top ten .Net books would include "Expert F#" by Don Syme et. all. and Sestoft's "Program

Since the topic was ".Net" and not "enterprisey web stuff" - my list of top ten .Net books would include "Expert F#" by Don Syme et. all. and Sestoft's "Programming language concepts for developers"(http://books.google.fi/books/about/Programming_Language_Concepts.html?id=YeJL2kechd8C&redir_esc=y http://books.google.fi/books/about/Programming_Language_Conc...). To me, these are .Net's K&R and SICP.