Chappelow & Leslie 
Keeping Your Career on Track: Twenty Success Strategies [EPUB ebook] 

Managers who achieve significant professional goals do not often worry about career derailment. But complacency is not the same as continued success, which can usually be found among four leadership competencies: interpersonal relationships, team leadership, getting results, and adaptability. Leadership success, achieving it and continuing it, depends heavily on developing and using each of these skills.