He is a graduate of Harvard Business School , and has published over 25 books .
Howard Hillman is an author specializing in travel , cooking , and wine , including a book on kitchen science that has seen three editions .
Howard Hillman is a author of Harvard Business School , and has published over 25 books .
Howard Hillman is an author specializing in travel , cooking , and wine , including a book on kitchen science that has seen three editions .