The chains have prety well taken over here in Alberta.
There is a new store, Alberta-owned, called McNally Robinson. DeMille (technical books) is on the same premises. 120 8th Ave. SW, Calgary, toll free 1-866-798-1797, on the web at www.mcnallyrobinson.com
Another is Owls Nest, email owlsnestbooks@cadvision.com.
Some of the specialized stores have emails, which I can provide if you state your interest.