Book one. The level of the first volume of New Concept English is equivalent to the level of the third grade to the first grade in primary school, and the first text to the forty-eighth text is equivalent to the level of the third grade to the fourth grade in primary school. Among them, People's Education Publishing House published the first volume of the fourth grade English. People's Education Edition is published by People's Education Publishing House, referred to as People's Education Edition for short, and there are textbooks of this edition from primary school to high school.