48 pages. 7,253 words. Middle Grade. Nonfiction. Each spread has a topic with about 300 words and 2 to 5 pictures. Photographs.
About mollusks generally: Mollusk types, body parts, habitat, evolution, locomotion, senses, feeding, predators, breeding, interaction with people and animal classification.
Deeper looks at snails, gastropods, bivalves, octopus, squid, chitons, giant mollusks, weird mollusks.
Includes a glossary.