In this nonfiction title by the experts at National Geographic, readers journey through the depths of the ocean into the dark Midnight Zone to discover the mysterious animals that live there.  Although they look like creatures from nightmares or aliens from outer space, these are real undersea animals. Young readers will learn how these creatures make their own light and adapt to low-light areas, how they hunt, what they eat, and how they keep themselves safe from predators.  A terrific non-fiction choice about these unique animals of the ocean.