Python Pocket Primer
Oswald Campesato
Principia Mathematica Vol 2.
Bertrand Russell & Alfred North Whitehead
How Europe Underdeveloped Africa
Walter Rodney
Introduction to Languages and the Theory of Computation
John Martin
Turning Point in Philosophy
Moritz Schlick
Piaget, Psychology and Education: Papers in Honour of Jean Piaget
Ved P. Varma & Phillip Williams