The three books that had the greatest impact on mankind in history were: Bible: The core classics of the Christian religion include Genesis, the Old and New testaments, which record the teachings, beliefs, history, and culture of the Christian religion. The influence of the Bible on human beings lay in its influence on human morality, culture, society and religion, as well as the profound changes in human thoughts, beliefs and values. 2. Yuval Noah Harari, Sabiens: A Short History of Humanity. A brief history of mankind used a scientific method to analyze all aspects of human history, from the origin of human evolution to the development of modern science and technology. It described the process of human evolution and progress. The impact of this book on mankind was that it revealed the profoundness and breadth of human history, as well as the pursuit and exploration of human civilization and technological development. 3 The Age of Exploration: From 1492 to 1600, European navigators carried out large-scale exploration and trade activities, starting the Age of Exploration. The book recounts the history of this period, including European colonial expansion, American trade, African trade, and the cultural and social changes of this period. The impact of this book on humanity was that it revealed the exploration and colonization of the new world by humans, as well as the impact of cultural and social changes during this period on future generations.