Isha Upanishads
Sri Aurobindo
Vagueness and Contradiction
Roy A. Sorensen
Is There Life on Earth - An Introduction to Gurdjieff
John G. Bennett
The Game: Undercover in the Secret Society of Pickup Artists
Neil Strauss
React: Tools & Resources
Swizec Teller & Michael Wanyoike & Manjunath M & Jack Franklin & Ahmed Bouchefra
Wenn Grenzen keine sind: Management und Bergsteigen
Fredmund Malik