Microsoft Visual C# Step by Step is a comprehensive and beginner-friendly guide to mastering the C# programming language and the Visual Studio development environment. It provides a thorough and systematic approach to understanding the fundamentals of C# and building robust and scalable applications.

C# is an object-oriented programming language designed for creating robust applications for the Microsoft Windows platform. It is a powerful and versatile language that is suitable for a wide range of development needs. With C#, developers can quickly and easily create Windows applications with advanced graphics, animation, and data access capabilities. It also makes it easier to create games and other interactive applications for Windows systems.

As a tailor-made new programming language for Microsoft .NET Framework, C# (C Sharp) has both the powerful functions of C/C++ and user-friendly characteristics of Visual Basic. And now, it has evolved to 6.0, with various features emerging in endlessly. While it's rare to find C# teaching materials that can stand up to scrutiny on the market, and this might be because the reference on MSDN has been pretty comprehensive.