This is the story of a political miracle--the perfect match of man and moment.

Franklin Delano Roosevelt took office in March of 1933 as America touched bottom. Banks were closing everywhere. Millions of people lost everything. The Great Depression had caused a national breakdown. With the craft of a master storyteller, Jonathan Alter brings us closer than ever before to the Roosevelt magic. Facing the gravest crisis since the Civil War, FDR used his cagey political instincts and ebullient temperament in the storied first Hundred Days of his presidency to pull off an astonishing conjuring...

Barack Obama's inauguration as president on January 20, 2009, inspired the world. But the great promise of "Change We Can Believe In" was immediately tested by the threat of another Great Depression, a worsening war in Afghanistan, and an entrenched and deeply partisan system of business as usual in Washington. Despite all the coverage, the backstory of Obama's historic first year in office has until now remained a mystery.

In The Promise: President Obama, Year One, Jonathan Alter, one of the country's most respected journalists and historians, uses his unique access to the White...