here's a pdf copy until you find a physical

https://dn720005.ca.archive.org/0/items/softwar-theory/SoftWar405Final.pdf

and while its currently unavailable, this is a good place for cheap used books, perhaps they will get one sooner or later

https://www.thriftbooks.com/w/softwar-a-novel-theory-on-power-projection-and-the-national-strategic-significance-of-bitcoin_jason-paul-lowery/38330425/#edition=66283159