The Two Books of Francis Bacon refers to the philosophical and scientific works by Francis Bacon, a key figure in the development of the scientific method. His two most influential books are The Advancement of Learning (1605) and Novum Organum (1620). In The Advancement of Learning, Bacon argues for the importance of empirical knowledge and the reformation of education, while Novum Organum outlines his method of inductive reasoning, which laid the foundation for modern scientific inquiry. Bacon's works were groundbreaking in shifting the focus toward observation and experimentation in the pursuit of knowledge.