| GMD | Text |
| Classification | 590 L524 1998 |
| Publisher | London, Horus Editions, c1998 |
| Subject | Animals -- Juvenile literature.Animals.Anatomy -- Juvenile literature.Animals -- Physiology -- Juvenile literature.Physiology. |
| Topic | Grade 4-5 Reading (740L-1010L) |
| Series | How it works. |
| Description | 45 p. : col. ill. ; 31 cm. |
| ISBN | 9781899762460 |
| Additional ISBN | 1899762469 |