"A nonfiction companion to Dark Day in the Deep Sea."
Sea monsters -- Exploring the oceans -- Squids, octopuses, and other creatures -- Creatures of the deep -- Prehistoric seas -- Sea monster tales -- Doing more research.
How are an octopus and a squid different? What kinds of creatures live in the deepest abyss of the ocean? What do scientists say some legendary sea monsters really are? Find out the answers to these questions and more in this Magic Tree House Fact Tracker: Sea Monsters.