Hedgehogs and Foxes: Character, Leadership, and Command in Organizations (2008)

In this compelling look at charismatic leaders and their leadership styles, Abraham Zaleznik asserts that leaders are either 'hedgehogs, ' who view leadership as a single-minded track driven by unwavering rules, or 'foxes, ' who assess and re-evaluate their goals and strategies based on ever-changing factors in business, politics, and culture.