If you're interested in improving your social skills at work, you might also enjoy the book How to Talk so Kids Will Listen and Listen so Kids Will Talk.
Um, seriously, all effective communication techniques are based on basically the same principles; there's a book by a former FBI hostage negotiator Chris Voss (Never Split the Difference) where he describes hostage negotiations with terrorists, and it all works in the workplace too. These two are significantly better than How to Win Friends and Influence Friends, which is mostly about sales rather than negotiations.
Um, seriously, all effective communication techniques are based on basically the same principles; there's a book by a former FBI hostage negotiator Chris Voss (Never Split the Difference) where he describes hostage negotiations with terrorists, and it all works in the workplace too. These two are significantly better than How to Win Friends and Influence Friends, which is mostly about sales rather than negotiations.