| 其他書名 | The Secret of the Ninth Planet (Latvian Edition) |
| 出版 | CreateSpace Independent Publishing Platform, 2015-06-09 |
| 主題 | Fiction / Science Fiction / GeneralFiction / Science Fiction / Alien Contact |
| ISBN | 15122366169781512236613 |
| URL | http://books.google.com.hk/books?id=h9jOsgEACAAJ&hl=&source=gbs_api |