The past decade has seen the rise of enormous chain bookstores in the malls and on the web, and the resulting demise of many small independent book-sellers. But the big shadows of Amazon.com and Barnes & Noble haven't blotted out small, independent publishers, and in some cases the large operations have been an asset. In Duluth's tightly knit publishing community, small presses are using technology and marketing savvy to carve out their own niches. They say it's a good time to be in the business.... or at least as good as it ever gets doing business on a shoestring.