 Printed on their own, in the newspaper presses of "O Estado de S. Paulo", his book Urupês, found that at the time, Brazil had only 30 bookstores that were able to receive and sell books.He then wrote to all postmasters of Brazil (1300 in all), requesting the names and addresses of newsagents, stationers, warehouses and pharmacies interested in selling books.Almost 100% of postal agents responded, providing a network of nearly two thousand distributors across the country.