This work encompasses all essential information for successful leaders: What personality traits define a good leader, how do leaders communicate effectively, and how do they develop a strong network? These three factors - personality, communication, and network - constitute leadership intelligence. Leaders and those on their way to becoming one can assess their strengths step by step and identify which important areas they are already excelling in and which skills they still need to work on. Practical tips help to enhance leadership intelligence, enabling them to lead themselves and others even more successfully.