I've been using C# and .NET for about a year. Here are the books that I have found helpful. Framework Design Guidelines - how to design libraries that anyone

I've been using C# and .NET for about a year. Here are the books that I have found helpful. Framework Design Guidelines - how to design libraries that anyone from Jon Skeet to Mort can use successfully Effective C# - how to implement the usual idioms properly CLR via C# - this is a dry read but has answers to many questions I would have never thought to ask. C# in Depth - others have already commented on this