Ken Follett's Century Trilogy is a series of historical novels that spans the 20th century, focusing on the lives of five interconnected families from different countries. The trilogy includes three books: Fall of Giants, Winter of the World, and Edge of Eternity. Each novel explores significant historical events, such as World War I, World War II, and the Cold War, through the perspectives of its characters. The trilogy highlights the impact of political and social changes on personal lives, showcasing themes of love, ambition, and conflict. Follett's detailed storytelling and rich character development provide readers with an engaging way to understand the complexities of the century.