| Other Title | 21世紀兒童版十萬個為什麼 |
| GMD | Text |
| Classification | 500 7217 |
| Publisher | 香港, 精英出版社, 2002 |
| Edition | 初版. |
| Subject | Ocean -- Juvenile literature.Astronomy -- Juvenile literature. |
| Topic | Grade 2-3 Reading (420L-820L) |
| Series | 21世紀兒童版. |
| Description | 182 p. : col. ill. ; 22 cm. |
| ISBN | 9789629014803 |