I've seen it mentioned on the Acaeum a few times over the years, but don't know anything else about it. Not ever mentioned on this forum before, per a quick search. The Tome of Treasures page for it is here.
I downloaded the file; it's 144 pages along and in an odd font that I find hard on the eyes (some of this may be an artifact of the scanning). It's chock-full of ideas; not sure I can do it justice in quick lookover, so I'll just leave it at that for now.