The Professor Challenger Megapack
| Book | The Lost World |
| Format | e-Book |
| Language | English |
| Copyright | 2014 |
| Author | Arthur Conan Doyle |
| Foreword by | John Gregory Betancourt |
| Publisher | Wildside Press |
| Copyright Holder | Wildside Press LLC. |
| Publisher Series | Megapack, Science Fiction Megapack |
| Series | Professor Challenger |
| Format | e-Book |
| Language | English |
| Location | US |
| Copyright | 2014 |