Essential C# 8.0 - hands down. It is awesome both for beginners and experts. I've read it once, and keep it handy for reference. It's written by some of the mos

Essential C# 8.0 - hands down. It is awesome both for beginners and experts. I've read it once, and keep it handy for reference. It's written by some of the most knowledgeable people there are on C#/.NET. I have also read one of the Head First C# books, and found it lacking once I got past the basics.