My pleasure, Shifty. Enjoy that book. I'm gonna have to get one for myself.
[url]
www.abebooks.com[/url] is a listing service showing the online offerings of 12k antiquarian booksellers around the world.
[url]
www.bookfinder.com[/url] is another valuable source; a search engine that searches different internet book listing services for specific titles.
When ya absolutely, positively gotta have it, one of those two sites will generally fix you up.
EDIT: When I looked at ABEBOOKS last night on Shifty's behalf, I found about eight copies of this book available. After the info was posted, I see this evening that there only two copies! There be one, or none, or more tomorrow night.
I am myself an antiquarian dealer (rare, scarce, & just plain used books). Titles in an unusual area of specialization or interest (such as muzzleloading & its history) often go 'out of print' rapidly, and used copies can command pretty high prices.
I recall a specialty title on revolvers that was published at under $50 a few years ago. Copies, when they can be found, now go for three to five hundred bucks.
The market changes all the time, however. More copies of Hawkens may be out there and may eventually appear at prices lower than those now asked. Ya never know.