The Oxford Handbook of Medieval Philosophy
John Marenbon
Mathematica® for Physics
Robert L. Zimmerman & Fredrick Iver Olness
British or American English?: A Handbook of Word and Grammar ...
John Algeo
Quaternions, Spinors and Twistors - Paper
Nassim Haramein
Principles of Mathematics. Second Edition
Carl Barnett Allendoerfer & Carl Barnett Allendoerfer (and Oakley (cletus Odia)) & Cletus Odia Oakley
Mere Christianity
C. S. Lewis