On Formally Undecidable Propositions of Principia Mathematica ...
Kurt Gödel
Islamic Philosophy A-Z
Peter S. Groff & Oliver Leaman
The Brain From Inside Out
György Buzsáki
Quantum Mechanics and Experience
David Z. Albert
Learning Blender: A Hands-On Guide to Creating 3D Animated Character= ...
Oliver Villar
The Gnostics: The First Christian Heretics
Sean Martin