| GMD | Text![]() |
| Classification | 595.78 SAU |
| Publisher | London, Usborne, c1974. |
| Subject | Shells -- Juvenile literature.Shells -- Identification -- Juvenile literature.Shells. |
| Series | Usborne spotter's guides. |
| Description | 64 p : col ill, maps ; 19 cm |
| ISBN | 9780746073506 |