Eros and Magic in the Renaissance
Ioan P. Culianu
Sphaera mundi
Sacro Bosco, Joannes de, active 1230; Regiomontanus, Joannes, ...
Collision Detection in Interactive 3D Environments
Gino van den Bergen
Mathematical Concepts
Jürgen Jost
The Play of Masks
Frithjof Schuon