A Separate God: The Christian Origins of Gnosticism
Simone Pétrement
Dictionary of Celtic Mythology
Peter Berresford Ellis
The Agony of Power
Jean Baudrillard
Historical Evolution of World-systems
Christopher Chase-Dunn & E. N. Anderson
Ken Wilber: Thought as Passion
Frank Visser
Tattwa Shuddhi: The Tantric Practice of Inner Purification
Satyasangananda & Swami Satyananda Saraswati