"Learn about some of the most unique creatures of the deep, like the newly-discovered squid worm. Using equations and inequalities, you will be making your own ocean discoveries in no time!"--Back cover.

Includes index.

In the sea -- Monster crabs -- Fastest fish -- Stallions of the sea -- Fishing fish -- Poisonous pufferfish -- Portuguese Man-of-War -- The octopus : an amazing escape artist -- New discoveries -- Problem-solving activity.