Learn your world. Achieve more with Explore Our World, Second Edition, a best-selling seven-level series for young learners of English. Experience more of the real world with content that motivates learners to use English, including surprising photography, meaningful stories and readings, immersive video, and incredible National Geographic Explorers. Learn more about the world through cross-curricular topics that challenge learners and deepen their understanding of the world in English. Help learners communicate more through extensive listening, speaking, and pronunciation work, and critical thinking activities that inspire meaningful thinking and sharing. Explore Our World truly brings the world into the classroom and improves learning outcomes, motivating learners to use English to show the world what they can do -- and achieve more.