Back in June we mentioned Booknology by Marie Lebert and friends. Its a really neat ebook timeline and was available in English and French. Now its available in Spanish. Be sure to take a look and mouse over the pictures.
The text versions (updated 5 December 2010) are available in Project
Gutenberg and in ManyBooks.net.
In Spanish:
http://www.gutenberg.org/ebooks/33461
http://manybooks.net/titles/lebertm3346133461-8.html
In English:
http://www.gutenberg.org/ebooks/33460
http://manybooks.net/titles/lebertm3346033460-8.html
In French:
http://www.gutenberg.org/ebooks/33462
http://manybooks.net/titles/lebertm3346233462-8.html