Автор:Katy Clements Год: 2009 Издание:Cengage Learning, National Geographic Learning Страниц: [не указано] ISBN: 9781424059751 World Wonders is a four-level series for 9-11 year olds that capitalises on National Geographic photography and facts via reading texts and DVD clips. It also features an exciting adventure cartoon story for Levels 1 & 2. The course is structured around the Student's Books that contain twelve eight-page core units plus six review units.