What to say? Or a couple of tips on effective communication

I believe that everyone at least once faced a misunderstanding and even a conflict within the team. In a similar situation, my boss once advised a good book - a description of useful practices. These practices have helped me build effective and productive working relationships. Negotiating and generally interacting with colleagues requires knowledge that can really be gleaned from useful books. I will tell you about some of them, of course, without revealing the details of the plot.