Dan Balz and Haynes Johnson followed this campaign from the candidates' first forays into Iowa and New Hampshire to the historic night of Obama's victory celebration. They offer behind-the-scenes details of turning points, like the stunning endorsement of Obama by Senator Edward M. Kennedy. They probe the strategic mistakes of the Clinton campaign and the story behind Obama's breakthrough organization. And they cast new light on McCain's struggle for survival in the Republican primaries, his selection of Sarah Palin as his running mate, and the economic meltdown that ensured Obama's victory. Exclusive interviews with the candidates and their top strategists produce intimate portraits of Obama, Clinton, and McCain under stress throughout the longest and most expensive presidential campaign in American history.