Seashells: A portrait of the animal world

Seashells offers a handsomely illustrated introduction to the fascinating world of the mollusk, covering such topics as:
1. Shell structure
2. Classifications
3. Gastropods, including slit shells limpets, turbans, nerites, cowries, helmets, and murexes, among others
4. Bivalves-scallops, oysters, clams, and members of the nautilus family
5. Land and tree snails
6. The ethics of shell collecting.