Goal-Directed Proof Theory
Dov M. Gabbay & N. Olivetti
Faces of the enemy : reflections of the hostile imagination
Sam Keen
Das Leben ist nur wirklich wenn ich bin
Georges Ivanovich Gurdjieff
Trials of the Visionary Mind: Spiritual Emergency and the Renewal ...
John Weir Perry
Change Management: Manage the Change or It Will Manage You
Frank Voehl & H. James Harrington
The Gnostics: The First Christian Heretics
Sean Martin