The book "Dr. Montessori's Own Textbook" by Maria Montessori is an important source of knowledge about the method of child education developed by the outstanding Italian pedagogue Maria Montessori. In this book, the author talks about the principles and practice of her own pedagogical system, which is aimed at the development of independence, attention, concentration and creativity in children. Montessori introduced the idea of education through independent activity and free choice of materials, which contributes to the harmonious development of the child. This book has become an important source of learning about the Montessori method and its educational philosophy for both parents and teachers.