The Wisdom of the Koran

Transcending the Levels of Consciousness: The Stairway to Enlightenment

The Wisdom of the Torah

Facing Your Giants: God Still Does the Impossible

Jewish Wisdom: The Wisdom of the Kabbalah, The Wisdom of the Talmud, and The Wisdom of the Torah

The Doors of Perception and Heaven and Hell

The Wisdom of the Talmud

The Wisdom of Albert Schweitzer

The Self-Aware Universe

The Wisdom of Buddha

Garuda Purana

The Cost of Discipleship

The Wisdom of Sartre

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity, Volume 2

The Wisdom of Confucius

The Wisdom of Leonardo da Vinci

Fear and Trembling

Five Volumes of Spiritual Wisdom: The Wisdom of the Torah, The Wisdom of the Talmud, The Wisdom of the Koran, The Wisdom of Muhammad, and The Wisdom of Buddha