You can buy the book at many fine retailers including:
http://www.indiebound.org/book/9781938486104
http://www.fulcrum-books.com/productdetails.cfm?SKU=86104
Ferguson Books & More, 1720 S Washington Ave, Grand Forks (http://www.fergusonbooks.com/default.html)
Redbery Books, Cable, Wisconsin
Wild Rumpus, 2720 West 43rd Street, Minneapolis
Piragis, 105 N Central Ave, Ely
Spirit of the North Gift Shop, Northern Great Lakes Visitor Center, Ashland Wisconsin
History Center Museum Store, 345 Kellogg Blvd W, St. Paul
En Liten Svensk (A Little Swedish) Shoppe, Roseau