When Lincoln took the oath of office in 1861, the Confederate States had already seceded from the Union. Even though his own advisers expected him to fail, he eventually reunited the embattled states with uncommon good sense. Using historical anecdotes, speeches, and Lincoln's own letters, the author shares the President's practical managerial strategies: seize the initiative, wage only one war at a time, encourage risk-taking while promoting job security, circulate among the troops, and more.