"How deep do you want to go? Most books only skim the surface of many topics, but Donis Marshall’s book will take you as deep as you want to go in every topic. I’m excited to see that Donis is sharing his vast knowledge and I hope to see future books from him."

"Donis Marshall is easily the best C# and C++ trainer in the business. His deep practical knowledge combined with a talent for knowledgeable transfer is legendary. Given that, this book is a crucial resource for any developer serious about going deeper into C#."

"Donis Marshall’s book does not just give the reader a roadmap to C#; it delivers the keys to being a better .NET developer. Donis’ expert knowledge of the many topics gets the reader to think about programming C# from multiple levels. If you develop in C#, this book should be the cornerstone of your collection."

"This book covers C#, the internal workings of the .NET Framework, much better than any other book on the market because Donis has such a vast amount of knowledge on this subject. I’m excited to see that Donis is sharing this knowledge and I hope to see more books from him in the future."

"Donis Marshall really has written the ‘core reference’ book. His practical experience and deep understanding of .NET are revealed on every page."