Lost Art Press is promoting this on Facebook. Sharing here for any interested:
https://lostartpress.com/products/set-file-a-practical-guide-to-saw-sharpening
Added later 03 min 05 s:
Related, WC once had this available:
https://www.woodcentral.com/store/merchandise-c-1/exclusive-woodcentral-edition-saw-dictionary-by-charles-l-johnson-p-3
Note you cannot order it from this link and the price, if available, may not be accurate. You will need to ask Ellis if he still has copies available.