publisher: National Geographic Society publish date: July 1st 1993
format: hardcover pages: 2
language: English
ISBN:
0870446797 (9780870446795)
publisher: National Geographic Society
format: library binding pages: 2
language: English
ISBN:
0870446843 (9780870446849)
publisher: Scholastic Inc publish date: 1999
pages: 32
language: English
ISBN:
0439139651 (9780439139656)