Calling the Children of the Sun [Chamando os filhos do sol]. Translated by Monica D. Rocha. Edited by Gregory von Seewald. Juiz de Fora - MG, Brasil, Headland Press & Editora Bhavani 1999. 2nd Edition. With 3 Diagrams. 204 S. Illustrierte OKartonage.
First English edition, second Portuguese edition. The first Portuguese edition was published in Rio de Janeiro in 1962. - Text in English (p.1-100), text in Portuguese (p.101-203). - Gutes Exemplar.