. . . . . . . . . "Seafloor" . . "Juvenile works" . "Investigate some of the most vibrant realms on Earth. Track sea turtles on their annual migrations, explore the Titanic, or scuba dive through underwater caverns. Each book sends the reader on a mission to explore a particular ocean zone and examine its wildlife and geography. The explorer is equipped with a route map, equipment, and a firm base of scientific facts and theories explaining everything from how satellite navigation works to marine snow.--" . .