"The Smithsonian Institution has been America's museum since 1846. What do its vast collections - from the ruby slippers to a piece of Plymouth Rock, first ladies' gowns to patchwork quilts, a Model T Ford to a customized Ford LTD low rider - tell Americans about themselves? In this illustrated guide to the Smithsonian's National Museum of American History, Steven Lubar and Kathleen M. Kendrick tell the stories behind more than 250 of the museum's...