both catergories are the same. I also put the title of Lisa Watts's book in spanish (as the translations version has)

Res: http://cran.r-project.org/other-docs.html

Libro Inglés eliminado de la lista española, que ni siquiera estaba libremente disponible (legalmente).

Removed english book from spanish list, which wasn't even freely available (legally).

[es] Added Jorge L. Ortega Arjona notes and tutorials about Teorical Computational Science, Java, algorithms & data structures

Added two new books