there are a variety of shops that specialize in rare and used books -  called 'sebos' these shops are part of carioca culture, as many students rely on these stores to find books, and many collectors go hunting here for rare editions of their favorite titles. in addition to the books that can always be found at fair such as the Feira Rio Antigo, or 'Old Rio Fair' - an expansive and impressive fair hosted in Lapa on the first Saturday of each month, creating a festival ambience in the buzzing heartland of the city. one of the most famous antique and rare books stores in the city is the livraria rio antigo - specializing is titles and works about the history of brazil, as well as important works of art, literature, and philosophy, this establishment also runs auctions.