We're addicted to Builders Booksource. We can't ever go to Fourth Street without popping into the store for at least a few minutes. In business since 1982, Builders Booksource is an amazing store full of books and resources for designers, architects, contractors, home builders, and consumers. Besides books on architecture, building trades, graphic design, green building, homebuilding, interior design, landscape, and urban design, they also sell cards, magazines, guide books, children's books, and gift items. And to top it off, Builders Booksource's staff is friendly and knowledgeable.