Nancy Douglas Books

Reading Explorer is a six-level content-based reading series featuring video from national Geographic Digital Media to help develop reading and vocabulary skills for all learners. Each unit of Reading Explorer contains two reading passages and an optional video activity. Reading passages cover a wide range of real-world topics related to culture, science, social studies, travel, and adventure.

World Class is a new, two-level series from National Geographic Learning for high-intermediate and advanced English language learners. This integrated-skills program uses National Geographic content, images, and video to help learners expand their overall fluency while developing the tools and strategies necessary for effective, real-world communication.