Part I provides the most basic elements of C# language syntax.
Part II covers object and component programming in C#.
Part III introduces several of the class libraries available to C#.
Part IV gives those advanced topics for extreme performance and enterprise programming projects.
Part V goes into depth on the C# environment. Included are garbage collection and the effects on a program., cross-language development, the common language runtime, versioning and assemblies, and providing security for your programs.
Part VI is the Appendix. It has supplementary material on compiling programs, an overview of .NET Class Library components, and some other resources that may be of interest.