Follow along with James Cameron as he becomes the first man to reach the deepest depths of the ocean. Discover how he built his deep-sea sub, how he trained to go where no man has gone before, and what he saw at the bottom. In this thrilling chapter, kids will understand the challenges that face the extreme explorers of the Earth. National Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more...