National Geographic Footprint Reading: Mars on Earth + DVD

Description & Features of National Geographic Footprint Series: Welcome to the sights and sounds of the world with the Footprint Reading Library, a unique new series of graded readers for learners of English. This series offers fascinating stories from the four corners of our world, and develops the language and skills needed to understand non-fiction writing. * A rich selection of engaging non-fiction readers, grouped into five themes: Incredible Animals, Fascinating Places, Remarkable People, Exciting Activities, and Amazing Science. * One hundred individual readers, graded at eight levels from pre-intermediate to advanced, covering 800 to 3,000 headwords. * Each reader is available with a DVD-ROM containing both video and audio content for that reader. * Carefully-controlled grammar syllabus covers the most typically-taught structures in coursebooks. Mars on Earth: The Arctic region of Canada is home to a huge depression in the earth called the Haughton Crater. A group of explorers has come to the area to explore the challenges expected when traveling to Mars. What challenges will they experience? What preparations are being made for a trip to Mars here on Earth?