by Eric H. Cline
publisher: National Geographic
publish date: June 19th 2007
format: hardcover pages: 256
language: English
ISBN:
1426200846 (9781426200847)
publisher: National Geographic publish date: June 17th 2008
format: paperback pages: 239
language: English
ISBN:
1426202083 (9781426202087)
publisher: National Geographic publish date: December 4th 2012
format: ebook pages: 256
language: English
ISBN:
1426212240 (9781426212246)