| Original language | English |
|---|---|
| Publisher | National Geographic, Washington |
| Number of pages | 272 |
| ISBN (Print) | 1426200501 |
| Publication status | Published - 2007 |
| Original language | English |
|---|---|
| Publisher | National Geographic, Washington |
| Number of pages | 272 |
| ISBN (Print) | 1426200501 |
| Publication status | Published - 2007 |