Epistemology
Duncan Pritchard
Stranger in a strange land
Robert A. Heinlein
Ask Peter Kreeft: The 100 Most Interesting Questions He's Ever ...
Peter J. Kreeft
Mathematical Programming and Game Theory
S. K. Neogy & Ravindra B. Bapat & Dipti Dubey
Mathematical Methods in Science
György Pólya
Camera Work
Alfred Stieglitz
Picasso
Carsten-Peter Warncke