This document summarizes John C. Maxwell's book "Developing the Leader Within You" which outlines 10 leadership principles. It discusses that there are 5 levels of leadership that individuals progress through based on their influence. Level 1 is position where a leader exerts control due to their role. Level 2 is permission/relationships where people follow due to relationships. Level 3 is production/results where people follow to accomplish objectives. Level 4 is people development where the leader grows people and organizations. Level 5 is personhood where people follow because of who the leader represents. The summary concludes by stating Maxwell spent years growing people and organizations to the highest level of leadership.