2. 'Modern History in Pictures,' by the Smithsonian Institution
Some of the 20th century's most indelible photographs as well as fresh images of events we thought we knew are all captured in "Modern History in Pictures," which was compiled by the Smithsonian Institute. A timeline format provides bullet points of information that gives context for the reader as well as memorable quotes from throughout the century. "Never mind," Joseph Stalin said to Soviet Foreign Minister Vyacheslav Molotov while discussing the Yalta Agreement in 1945. "We'll do it our own way later."