Introduction 1 A Drop in the Ocean The Earth Is Ocean-Unique World Ocean Why Is the Ocean Salty? Speed of Sound Pangea Trade Winds Features of the Ocean Floor Tides Ocean Currents Waves Rogue Waves Ocean Depth Waves 2 Plenty of Fish in the Sea Ocean Food Chain Sun-Lit Producers Bioluminescence Anatomy of a Fish Fish Facts Schooling Fish Predatory Fish Anatomy of a Shark Sharks by Size Sharks Rays Anatomy of a Jellyfish Jellyfish Facts Lifecycle of a Jellyfish Deep Sea Creatures 3 A Whale of a Time Anatomy of a Whale Whales by Size Bubble-Net Feeding Anatomy of a Dolphin Dolphin vs. Porpoise Echolocation Dolphin Species Orcas Threatened Whales Manatees 4 Life''s a Beach Sand Anatomy of a Beach Tide Pools Tidal Zone Ecosystem Shell Shapes Anatomy of a Shell So Many Shells Seaweed Kelp Forest Barnacles Razor Clams Shore Birds Ocean Birds Inshore Fish Anatomy of a Crab Tiny & Giant Crabs Hermit Crabs Anatomy of a Snail Anatomy of a Scallop 5 Dive In! The Ocean Floor Sea Cucumber Tripod Fish Hunting Together: Grouper and Moray Eels Basket Starfish Anatomy of an Octopus Inside an Octopus Squid vs. Cuttlefish Squid Cuttlefish Nautilus Pearls Anatomy of a Lobster Lobsters Shrimps & Prawns Anatomy of a Shrimp Starfish Anemones Sea Turtle Identification Sea Turtles Great Migrations 6 Reef Madness Coral Reefs Reef Zones Coral Polyps Coral Fish in Coral Reefs The Great Barrier Reef Anatomy of a Sea Horse Sponges Sea Grass Nudibranch 7 Chill Out Sea Ice Life under the Ice Glaciers Icebergs Sea Lion vs. Seal Narwhals Penguins Penguin Size Comparison Polar Bears 8 From Sea to Shining Sea Low-Impact Fishing High-Impact Fishing Lighthouses Moving Cape Hatteras Lighthouse Studying the Ocean Studying the Sea with Alvin Commerce on the Seas Our Imperial Oceans Climate Change in Numbers Some Good News Bibliography Recommended Reading.