The author ZEMTSOVA O. N. – candidate of pedagogical sciences, head of the Center for preschool development and parenting. On the basis of her methodological developments, a universal system for the development and preparation of children for school was created, which has passed the test of time and has received recognition and approval from teachers and parents.The system covers all the main aspects of the child’s mental development, and is competently and thoroughly designed for different age groups. The author has prepared a series of “Smart books”. The books in this series have everything your child needs to know at a certain age. They will become your indispensable assistants in activities with children, help to timely and methodically competently master and consolidate the material, accelerate the development of the child, prepare him for school, and the lessons themselves will turn into a fun and exciting game.