Discusses what other planets may have the right conditions to support life and surveys aliens, unidentified flying objects, and our exploration of space.
- ISBN10 0613123115
- ISBN13 9780613123112
- Publish Date 1 February 1999 (first published 31 October 1998)
- Publish Status Out of Print
- Out of Print 6 April 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English