Un libro formado por cinco cuentos con insólitos protagonistas: un canario gaucho y libre; un mosquito llamado Efrain, que se convierte en héroe; cuatro personajes con poderes extraordinarios; un bulldog, un gato, un loro y un montón de lombrices que luchan sin cuartel, y un chico que encuentra un Genio en una tetera rota y olvidada.
Ricardo Mariño is an Argentinian writer, journalist and scripwriter, mostly known for his children books. He has worked for Children's magazines like Billiken, Humi, AZ Diez and for Clarín's and Página/12's Sunday supplements. Previously he worked as a journalist at the press agency DAN, scriptwriter of children's TV programs, and director of the literary magazine Mascaró between 1985 and 1988. He was a workshop instructor at the Dirección Nacional del Libro between 1987 and 1989. He was also jury at various writing competitions.