A book I recently finished reading (which was similar in many ways to the HR course I was taking at the time) is Click: The Magic of Instant Connections by Ori and Rom Brafman. I really enjoyed the stories that were at the center of each chapter, and I learned a lot of non-intuitive things about how to create environments that allow people to click and form closer connections. Below are my biggest takeaways from each chapter.
Ch. 1: Finding Magic