This book was fascinating. Lots of people use Visual Studio and C#/VB programming languages to make computer programs. But not many (probably) stop to think about how exactly Visual Studio makes available intellisense, solution/project management and refactoring. Fewer still realize that with Roslyn libraries you can actually make your own intellisense and refactoring tools! This very short book covers how to actually do these things. If you're a VS programmer and want to know more about the nuts and bolts of VS and Roslyn, this is a fantastic place to start!