- Script
- Héctor Germán Oesterheld (credited as Oesterheld)
- Pencils
- Francisco Solano López (credited as Solano Lopez)
- Inks
- Francisco Solano López (credited as Solano Lopez)
- Letters
- ?
- First Line of Dialogue or Text
- Eramos robinsones que, en lugar de quedar atrapados en una isla, estabamos aislados en nuestra propia casa.
- Genre
- ciencia ficción (science fiction)
- Characters
- Juan Salvo [el eternauta]; Favalli; Lucas Herbert
- Reprints
La historia continua. The story is marked "continuará," to be continued.
- Script
- Héctor Germán Oesterheld (credited as Oesterheld)
- Pencils
- Arturo del Castillo (credited as A. del Castillo)
- Inks
- Arturo del Castillo (credited as A. del Castillo)
- Letters
- ?
- Genre
- oeste (western-frontier)
- Characters
- Randall; Minsky (el dueño del "saloon"; the saloon owner); Trébol (un pistolero; a gunslinger)
La historia continua. The story is marked "continuará," to be continued.