"PeopleSmart: Developing Your Interpersonal Intelligence" by Mel Silberman and Freda Hansburg is highly regarded as a practical, actionable guide focusing on eight key interpersonal skills to improve social and professional interactions. It is praised for its experiential, "plain English" approach and is often considered a valuable, albeit corporate-leaning, resource for developing emotional intelligence. Read a summary of the book at getAbstract Amazon.com PeopleSmart: Developing Your Interpersonal Intelligence