mass market paperback, 128 pages
English language
Published Sept. 15, 1994 by Tor Books.
Mysteries of Space and the Universe (Strange Unsolved Mysteries)
Subjects
- Juvenile literature
- Children's Books/Young Adult Misc. Nonfiction
- Children: Grades 4-6
- History - General
- Juvenile Fiction / General
- Life on other planets
- Unidentified flying objects