Not sure, aside from his books on the C# language. But the great thing about Hejlsberg and his team is that the evolution of the language is really transparent,

Not sure, aside from his books on the C# language. But the great thing about Hejlsberg and his team is that the evolution of the language is really transparent, and rapid: proposals for C# 8 (possibly 2019/2020): https://github.com/dotnet/csharplang/milestone/8 https://github.com/dotnet/csharplang/milestone/8