History Lessons: What business and management can learn from the great leaders of history
100 Great Leadership Ideas : From successful leaders and managers around the world (100 Great Ideas)
100 More Great Leadership Ideas: From leading companies around the world
100 Great Business Leaders: Of the world’s most admired companies (100 Great Ideas Series)
More Great Ideas a Day… 365 more business ideas for each day of the year (100 Great Ideas Series)
My Steam Engine Is Broken