Sphaera mundi
Sacro Bosco, Joannes de, active 1230; Regiomontanus, Joannes, ...
Mathematical Concepts
Jürgen Jost
The Videogame Industry Does Not Exist: Why We Should Think Beyond ...
Brendan Keogh
Morse Theory
John Milnor
The Play of Masks
Frithjof Schuon