The Great Work: Our Way into the Future

The Sacred Universe: Earth, Spirituality, and Religion in the Twenty-first Century

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Journey of the Universe

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Coming Back to Life: The Updated Guide to the Work that Reconnects

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The Heart of Centering Prayer: Nondual Christianity in Theory and Practice

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Greening of the Self

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The Divine Milieu

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The Christian Future and the Fate of Earth (Theology in a Global Perspective)

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Nature and the Human Soul: Cultivating Wholeness and Community in a Fragmented World

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The Heart of Matter

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