Principles
Ray Dalio
Revolutionizing the Sciences European Knowledge & Its Ambitions, ...
Peter Dear
A brief introduction to type theory and the univalence axiom
Jackson Macor
Electric Discharges, Waves and Implulses
Charles Proteus Steinmetz
Ride the Tiger
Julius Evola
The Three Magical Books of Solomon: The Greater and Lesser Keys ...
Aleister Crowley & S. L. Macgregor Mathers & F. C. Conybear