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 Calvin Coolidge, beginning with his childhood in Plymouth, Vermont. Information about Coolidge's education at Amherst College and his early career as a lawyer is discussed. In addition, his family and personal life, as well as his retirement years in Northampton, Massachusetts, as director of the New York Life Insurance Company and president of the American Antiquarian Society are highlighted. Easy-to-read text details Coolidge's political career as a member of the Northampton City Council, the Northampton city solicitor, a member of the Massachusetts House of Representatives, mayor of Northampton, a Massachusetts state senator, lieutenant governor of Massachusetts, and governor of Massachusetts. Finally, students will explore key events from Republican president Coolidge's administration, including the signing of the Kellogg-Briand Pact and Coolidge Prosperity. 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.