Critical Thinking
Richard L. Epstein & Alex Raffi (Illustrator)
A History of Mathematics
Florian Cajori
The Cuban Missile Crisis: A History From Beginning to End
Hourly History
Accuracy Improvements in Linguistic Fuzzy Modeling
Jorge Casillas & O. Cordón & Francisco Herrera Triguero & Luis Magdalena
Augustine's Invention of the Inner Self: The Legacy of a Christian ...
Phillip Cary
Psicología integral
Kenneth E. Wilber
Encuentro con la sombra/ Meeting with the Shadow
Connie Zweig & Jeremiah Abrams