Using text and illustrations, identifies over 850 marine mollusks off the Atlantic and Pacific coasts of North America, emphasising their habitats, habits, and identifying features.
Introduces some of the many types of marine invertebrates and their physical characteristics, life cycle, behaviors, and adaptations to various habitats, includes diagrams and fun facts.
Defines mollusks, such as land snails and pearl oysters, and describes their physical features, life cycles, habitats, sense, food, and means of self-defense.