Here you have 20 books that you can download for free. Give it a try, maybe it's what you're looking for. https://canaldoensino.com.br/blog/20-livros-gratis-de-literatura-infantil-para-voce-baixar Those are public books, I reckon to say they have 250+ books for free. http://www.dominiopublico.gov.br/pesquisa/ResultadoPesquisaObraForm.do?first=50&skip=0&ds_titulo&co_autor&no_autor&co_categoria=33&pagina=1&select_action=Submit&co_midia=2&co_obra&co_idioma=1&colunaOrdenar=null&ordem=null