| GMD | Text |
| Classification | 595.78 HYD |
| Publisher | London, Usborne, c1974. |
| Subject | Butterflies -- Juvenile literature.Butterflies -- Identification -- Juvenile literatureButterflies. |
| Series | Usborne spotter's guides. |
| Description | 64 p : col ill, maps ; 19 cm |
| ISBN | 9780746073520 |