TFZ is an exploration into various mysteries & peculiarities through the sands of time & space...
https://www.orbooks.com/catalog/chameleo
Some very wild out of the park stuff by RG.
https://www.orbooks.com/robert-guffey
http://cryptoscatology.blogspot.com
https://www.goodreads.com/book/show/11780121-cryptoscatology
https://www.coasttocoastam.com/guest/guffey-robert-74946