This is the 4th book of Spokes of the Wheel; about the physiology and ecological interfaces of the human body.
The full table of contents for Spokes 4 is at: Spokes 4 Table of Contents.
Research references for Spokes 4 are at: Spokes 4 Notes.
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Spokes is heavily portioned, with symbolic conventions to delineate the hierarchy of material. ○○○ delineates untitled segments or return to a subject after wandering off. ◊ ◊ ◊ demarcates subjects within a topical section.
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In the web page version, the table of contents does not list every page. Use the forward and backward buttons (on the bottom of a page) to read page by page. You can also use the search function for this web site to find keywords.