That’s the only book you need to read, really. All modern books on this topic are derivatives of it.

It is a great book. I disagree though that all modern books on this are derivatives. I haven’t read many, but The Charisma Myth is a great book on human interactions, that I believe is very novel in its content and approach

Maybe a lot of the books do cover some of the same content, but that’s probably because human nature hasn’t changed much since the 30s, when Carnegie published his book