"Ontario Normal School Manuals: Science of Education" is a scientific publication written in the early 20th century. This manual serves as a guide for educators by outlining the principles and methodologies related to the science of education, focusing on the nature and purpose of education, the process of learning, and the role of the teacher in facilitating educational experiences. The opening of the book introduces the concept of education as an intelligent art that requires an understanding of certain scientific principles and methods. It begins by discussing the inherent developmental processes within children, highlighting the importance of external stimulation for growth. The text also delves into the various forms of reactions in education, including instinctive, habitual, and conscious reactions, emphasizing that effective education involves guiding these responses. This foundation sets the stage for understanding how educators can improve social efficiency and foster significant learning experiences for students. (This is an automatically generated summary.)