which C# books is good

C# Complete reference by Herbert Schildt is good dont stick to one book refer books according to your problems 

 

without this you can see this tutorial
http://www.tutorialspoint.com/csharp/

Head First C#,is a good book for beginners,its more about explaining in a graphical  manner than theoretical manner.

You can also download a good book from this site

http://www.c-sharpcorner.com/Ebooks/Free/53/