Humboldt squids, or ?Red Devils,? are some of the world?s largest animals without a backbone. These sometimes dangerous creatures live in the deep waters of the Pacific Ocean. A researcher and a professional diver have come to the Gulf of California to learn more about them. Will they find any Red Devils? Will they be able to observe them safely? Welcome the sights and sounds of the world with the Footprint Reading Library. Accompanied by original video material developed by National Geographic Digital Media, this is the first non-fiction reading series to present fascinating real-world stories in three formats: print, audio, and video.
