Participatory Spirituality for the 21st Century
Metaphors We Live By, Lakoff and Johnson.
Order Out of Chaos: Man's New Dialogue with Nature, by Prigogine and Stengers
I've referenced the work of Jean Knox is several posts and threads. Today I found a free version of her book Archetype, Attachment, Analysis: Jungian psychology and the emergent mind.
Wilber made use of Habermas for his postmetaphysical musings. I explored this in the old Gaia forum. For now, here's how to read this seminal work.
Hyperobjects by Timothy Morton.
Organizational Transformation for Sustainability: An Integral Metatheory by Mark Edwards.
Introduction to Emptiness by Guy Newland.
FYI, bookzz.org is no longer a valid address. Instead go to b-ok.org.
Another resource for science texts: http://gen.lib.rus.ec/