The United States president preserves, protects, and defends the U.S. Constitution. Each president's term influences events in America and around the world for years to come. This biography introduces young readers to the life of Herbert Hoover, beginning with his childhood in West Branch, Iowa, and Newberg, Oregon. Information about Hoover's education at Stanford University and his early career as an engineer, including being caught in the Boxer Rebellion, is discussed. In addition, his family and personal life, as well as his retirement years, including his work on the Polish Relief Commission, the Famine Emergency Committee, and the Hoover Commissions, is highlighted. Easy-to-read text details Hoover's relief efforts during World War I, such as the Commission for Relief in Belgium and the American Relief Administration, and his political career as U.S. food administrator under President Woodrow Wilson and as secretary of commerce under Presidents Warren G. Harding and Calvin Coolidge. Finally, students will explore key events from Republican president Hoover's administration, including the Great Depression and the creation of organizations such as the Federal Farm Board and the Department of Education. Beautiful graphics showcase the primary source documents and photographs. A timeline, fast facts, and sidebars help put essential information at students' fingertips. In addition, a quick-reference chart provides easy access to facts about every U.S. president. Checkerboard Library is an imprint of ABDO Publishing Company.