The “Theory and Practice of Leadership” by Roger Gill is a comprehensive reference book exploring the subject of leadership in a business and economic context. Published by SAGE Publications in 2011, this hardcover edition includes 552 pages of insightful content. With a focus on practical applications, this revised edition delves into the theories and practices of leadership, making it a valuable resource for both students and professionals interested in enhancing their leadership skills. Written in English, this book offers a detailed examination of leadership principles and their impact on various organizational settings.