| GMD | Text |
| Classification | 612.74 BER |
| Publisher | New York , Scholastic, c2005 |
| Subject | Muscles -- Juvenile literature. |
| Topic | IPC |
| Series | Scholastic readers. Time-to-discover |
| Description | 1 v. (unpaged) : chiefly col. ill. ; 18 cm. |
| ISBN | 9780439773713 |
| Suitable | From 5 To 7 |