The author ZEMTSOVA O. N. – candidate of pedagogical sciences, head of the Center for preschool development and parenting. Based on 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 received recognition and approval from teachers and parents. The system covers all the main aspects of the child’s mental development; it is competently and in detail developed with reference to different age groups. The author has prepared a series of “Smart Books”, in each of which tasks for the development of certain skills are given in a playful manner, taking into account the age of the child. 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.