This idea is also explored in The Anatomy of Peace by The Arbinger Institute. Reading it was truly transformative for me. It makes a strong point that we experience self-betrayal whenever we choose to ignore our moral compass and how this can harm our relationships.
Talk about books with people you admire. My best reads came from recommendations by mentors, managers and friends.
A quick message on LinkedIn is often enough to get a solid recommendation. Generally it seems people like being asked for that kind of advice.