The Messages Workbook: Powerful Strategies for Effective Communication at Work and HomeWhen we asked Dr. Matt McKay coauthor of Messages: The Communication Skills Book, New Harbinger publisher, and psychologist in private practice how many of his clients had communication problems, he answered without hesitation: 100 percent. Simply put, skill at communicating with others is the single largest determinant of anyone's happiness, and success. Rewarding and lucrative careers, strong and lasting friendships, meaningful and satisfying