Anything by Mike Murach & Associates, Inc. I have his books on JSP and Servlets, Sql Server, and Javascript. These are some of the best programming books I have read. Here is a link to his .NET books:
http://www.murach.com/books/vba.htm
If you are looking for free books, check out this link below; You have to sign up, its free. There are probably thousands of books on various areas of IT, including programming. Just use the search to find the books you are looking for:
"http://www.dbebooks.biz/"
