The 'Ontario Normal School Manuals: Science of Education' is a comprehensive guide that delves into the principles and practices of education, specifically focusing on pedagogy and educational psychology. Written in a clear and concise manner, this book serves as a valuable resource for educators looking to enhance their teaching methodologies and understand the psychological aspects of learning. It provides practical insights and theoretical foundations that can be applied in the classroom setting, making it an essential read for both new and experienced teachers. The manual showcases a blend of theory and practice, offering readers a well-rounded understanding of the science of education in the context of early 20th-century Ontario. This book reflects the educational ideologies prevalent during that time, providing a glimpse into the evolution of educational thought and practices in Ontario. The meticulous attention to detail and the systematic approach make this manual an indispensable tool for educators seeking to improve their instructional skills and foster a better learning environment for students. Educators, researchers, and anyone interested in the history of education will find this manual to be a valuable addition to their collection, offering timeless insights that are still relevant in today's educational landscape.