language:Chinese and Russian, This book is one of the Chinese teaching auxiliary book series edited by the common work of Beijing Chinese Language College (BCLC), NJNU(Nanjing Normal University) and Anhui Normal University; the editing of the series is advocated by the Overseas Chinese Affairs Office of the State Council. This series is for overseas Chinese youth to learn Chinese culture, history and geography knowledge in class or by self-study. It can also be used for parents to coach children.