Explore Our World is a light and ly primary series in American English. It focuses on listening, speaking, and pronunciation activities, supported by fun and fascinating National Geographic content, images, and video, to ensure young learners of English have the essential language, skills, and knowledge they need to understand their world. It has an emphasis on listening and speaking activities that allows teachers to focus on the key skills young learners need to learn English. The Sounds of English provide pronunciation practice in every unit. The Professional Development Program helps teachers get the most out of Explore Our World.