Historia de la Revolución Rusa
Leon Trotsky
Logic and Discrete Mathematics: A Concise Introduction
Willem Conradie & Valentin Goranko
Vagrant Virtual Development Environment Cookbook
Chad Thompson
PostgreSQL 9.0 High Performance
Gregory Smith
La comuna de París
Karl Marx & Friedrich Engels & Vladimir Illich Lenin
The Republic
Plato
The Complete Plato
A Brief History of Time
Stephen Hawking
Freethinkers: A History of American Secularism
Susan Jacoby
A Concise Introduction to Logic
Patrick Hurley
The Last Days of Socrates
Plato & Harold Tarrant & Christopher Rowe
Software Libre Para Una Sociedad Libre
Richard M. Stallman