"Extraordinary Leadership: Thinking Systems, Making a Difference" by Roberta M. Gilbert is a trade paperback textbook published in 2006. It falls under the subject area of Business & Economics, with a focus on leadership. The book is written in English and comprises 224 pages of valuable insights on how to be an effective leader. With a proficiency level suitable for adult education and business students, this book offers practical strategies and systems for making a positive impact in any organization. Gilbert does a great job summarizing the Bowen Theory and its practical applications in business and personal life