The Leadership Transitions and Team Building Collection includes two important books: The First 90 Days, Updated and Expanded, by Michael D. Watkins, and The Alliance, by Reid Hoffman, Ben Casnocha, and Chris Yeh. Transitions are a critical time for leaders. In fact, most agree that moving into a new role is the biggest challenge a manager will face. While transitions offer a chance to start fresh and make needed changes in an organization, they also place leaders in a position of acute...