I live in Brazil. I'm working with website development in a enterprise. In about two weeks from today, 2022-10-07, I'm going to start working in another job(Quality Assurance Professional). Three days ago my boss offered me a promotion in my actual job. I refused because I wanted to change my job...

I am looking for a book on communication and self expression and welcome recommendations. I am looking for something specifically to improve verbal expression. To be more specific I'll also include what I've tried reading so far. The are vocabulary books which aim to improve vocabulary. That's he...