by Isaac Asimov
publisher: Debolsillo publish date: July 2010
format: paperback pages: 904
language: Spanish
ISBN:
9788499083209
publisher: Debolsillo publish date: April 2012
format: paperback pages: 895
language: Spanish
ISBN:
9786073103572
publisher: Círculo de Lectores publish date: 2002
format: hardcover pages: 789
language: Spanish
ISBN:
8422696525 (9788422696520)
publisher: Random House Mondadori publish date: November 26th 2010
format: ebook pages: 904
language: Spanish
ISBN:
8499084362 (9788499084367)