Junior explorers Bella and Marcus join famed explorer Fabien Cousteau and his research team as they embark on an ocean journey off the coast of South Africa, where the world's largest concentrations of great white sharks are found. Their mission is to investigate a sighting of a massive white shark, and tag it so they can track and protect it. Along the way, they'll encounter whales, seals, dolphins, penguins, and a colorful array of other marine life. They'll also enter a shark cage and come face to face with these powerful creatures. Dramatic, graphic illustrations and a compelling story help young readers discover plenty of facts about sharks and other marine creatures..