| GMD | Text |
| Classification | 624.193 HUN |
| Publisher | New York , Scholastic, 2000, c1999 |
| Subject | Tunnels -- Juvenile literature.Tunneling--Juvenile literature. |
| Topic | IPC |
| Description | 1 vol. (unpaged) : col. ill. ; 21 cm. |
| ISBN | 9780439176729 |
| Suitable | From 5 To 7 |