Although Montessori's name is almost universally known in education circles today, and there are countless nursery schools throughout the world using the "Montessori Method," the real core of her thinking has remained largely misunderstood. Most people regard the method as a system for the education of very young children. And most who have some direct experience of it, either as parent or teacher, would regard it as involving a certain set of procedures and specialized educational materials with clear and elaborate instructions for their use. However, the essence of Montessori's philosophy...