Shells
Protective outer layer created by an animal that lives inside. The best known are those of mollusks but there are other animals that also have shells.
About/Subject 13
| Title | Format | |
|---|---|---|
 | Sea Shells of the World | Soft cover |
 | Shells and Shell Collecting | Hardback |
 | Shells | Hardback |
 | Marvellous World of Shells | Hardback |
 | Coquillages des Côtes Atlantiques et de la Manche | Hardback |
 | Seashells | Hardback |
 | Catalogo delle conchiglie dell'Adriatico e delle conchiglie di acqua dolce e di terra della Romagna | Paperback |
 | Moluscos y Caracoles de los Mares del Mundo | Hardback |
 | Guía del Coleccionista de Conchas | Soft cover |
 | Compendium of Seashells | Hardback |
 | Atlas Malacològic del Delta de L'Ebre | Hardback |
 | Guía de los Moluscos Marinos y Continentales del Campo de Gibraltar | Soft cover |
 | Snäckor | Paperback |