In the tradition of O'Reilly Nutshell guides, C# 5.0 in a Nutshell is simply the best one volume introduction and reference to the C# language availability today!
*Completely updated for C# 5.0
*Comprehensive and complete single reference C# 5.0 in a Nutshell will build on the success of C# 3.0 in a Nutshell, providing concise and thorough information on the language and core framework in one straightforward and accessible volume.
*C# 5.0 in a Nutshell will also feature a "What's new in C# 5.0" section, which will be of appeal to developers moving from previous C# versions.
Part of the book's appeal is that it's highly orthogonal in coverage - there's no "heart" around which other topics receive less attention Readers will get excited primarily about the speed and ease to which they can gain information across a wide variety of topics.