Python 3 Object-Oriented Programming
Dusty Phillips
Grit: The Power of Passion and Perseverance
Angela Duckworth
The Great Silence: Science and Philosophy of Fermi's Paradox
Milan Cirkovic
Gesammelte Werke - Band II - Astrnomie Pars Optica
Johannes Kepler & Franz Hammer
Philosophy as Therapeia
Jonardon Ganeri & Clare Carlisle
Enneagram
Russ Hudson & Don Richard Riso