The adventuresome crew builds a submersible craft, the Dolphin, that runs on sea water and chemicals. On the maiden voyage they battle sea monsters, pass through a sunken graveyard, and discover an opening that leads to the center of the Earth!
| Kiadó | booklassic |
|---|---|
| Kiadás éve | 2015 |
| Nyelv | ANGOL |
| Formátum | EPUBMOBI |
| ISBN | 9789635233182 |
| Árukód | 3-9152 / 3-9152 |




