| Other Title | Are we alone? : the case for Extraterrestrial life |
| GMD | Book |
| Language | E |
| Classification | 520 HOP |
| Publisher | Perfection Learning, Logan :, 2004 |
| Subject | astronomyETastrobiologystars |
| Topic | astronomyETastrobiologystars |
| Series | Reading Essentials in Science# |
| Description | 48 p. :;col. ill. ;23 cm.; |
| ISBN | 0789161184 |