Download or read book Reading Explorer written by Nancy Douglas and published by National Geographic Learning. This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reading Explorer is a six-level content-based reading series featuring video from National Geographic 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.