Karl Von Mueller's Treasure Hunting Manuals Info/History?

[Rydog]

So it seems that #6 and #7 are pretty easy to find. Given that there is a #6 and #7, one would assume that there are also #1-#5. I could be looking at the wrong sites but I'm not finding anything about #1-#5. Can anyone enlighten me?

Also, are these editions of the same book or volumes of a set?

Thanks!

 

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[Carl-NC]

There is no #1-#5, never was. #6 & #7 have some of the same material, and some different material.