A History of the Crusades, Vol. II; The Later Crusades, 1189-1311
Robert Lee Wolff & Harry W. Hazard
Knowledge in Ancient Philosophy
Nicholas D. Smith
Encyclopedia of Cyber Warfare
Paul J. Springer
T-SQL Fundamentals
Itzik. Ben-Gan
Topology and Combinatorics of 3-Manifolds
Klaus Johannson
Encuentro con la sombra/ Meeting with the Shadow
Connie Zweig & Jeremiah Abrams
Psicología integral
Kenneth E. Wilber