An informative and visual guide to America's highest office, this DK Eyewitness book explores the history of the White House and the presidents who have served in it, and features a spread about the nation's 45th president, Donald Trump. Follow the early lives and political careers of the US presidents and see how they came into office, with full-color photographs of campaign memorabilia, family portraits, handwritten letters, mementos, and more. Discover how Abraham Lincoln saved the Union, why teddy bears are named after Theodore Roosevelt, and how Thomas Jefferson doubled the size of the nation with the Louisiana Purchase.