Author, Writer · 23 titles
23 titles
The river and the dreamBook· 1977Author
Renegades of timeBook· 1975Author
Voyage to the Bottom of the SeaBook· 1965Author
The year when stardust fellBook· 1958Author
Guerra Entre PlanetasFilm· 1955Writer
Planet of lightBook· 1953Author
This Island EarthBook· 1952