Harvard Business Review Paperback Series The Harvard Business Review Paperback Series is designed to bring today"s managers and professionals the fundamental information they need to stay competitive in a fast-moving world. Here are the landmark ideas that have established the Harvard Business Review as required reading for ambitious businesspeople in organizations around the globe. Harvard Business Review on Leadership gathers together eight of the Harvard Business Review"s most influential articles on leadership, challenging many long-held assumptions about the true sources of power and authority.