| GMD | Text |
| Classification | 551.46 WIL |
| Publisher | Washington, D.C., National Geographic, 2016 |
| Subject | Oceanography.Marine biology. |
| Topic | IPC |
| Series | National Geographic kids |
| Description | 272 p. : col. ill., color maps ; 28 cm. |
| ISBN | 9781426325502 |
| Suitable | From 12 To 17 |