C# reference book?

HI, I am looking for a good c# reference book to keep beside me while I am programming, can you recommend any?

C# reference book?
Beginning Visual C# 2005 (for beginner user)


http://www.amazon.com/Beginning-Visual-2...





Professional C# 2005 (for advanced user)


http://www.amazon.com/Professional-2005-...





Visual C# 2005 How to Program (for newcomer user)


http://www.amazon.com/Visual-2005-How-Pr...
Reply:The C programming language by Kernighan and Ritchie
Reply:I recommend this book.





http://www.amazon.com/Microsoft-Visual-2...





Covers the major stuff.