No Bones - Smithsonian Author:Karen Romano Young Who needs bones to swim the seven seas? Learn all about marine invertebrates, the ocean's amazing boneless animals in this cool Smithsonian reader. — Octopuses, clams, sea worms, even coral: they're all marine invertebrates. Having no internal skeleton gives them an interesting shape?not to mention unusual ways of moving around, getting food, and... more » protecting themselves. Fascinating underwater photography and lively, accessible text draw kids into the watery world of these cool ocean creatures.« less