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Ken Follett is a British author known for his historical fiction novels. His most notable works include "The Pillars of the Earth," a sweeping epic set in 12th century England, and its sequel, "World Without End." Follett is known for his meticulous research and attention to detail, bringing historical periods to life with rich characters and intricate plots. His works have had a significant impact on the historical fiction genre, and he is considered a master storyteller in the literary world. "The Pillars of the Earth" remains his most famous work, beloved by readers worldwide for its compelling narrative and vivid historical setting.