- Script
- Roy Thomas (credited); Robert Wood (credited) (oversetter)
- Pencils
- John Buscema (credited)
- Inks
- Tony DeZuniga (credited)
- Letters
- typeset
- Genre
- sword and sorcery (sword and sorcery)
- Reprints
Adapted from "The Gem In the Tower" by DeCamp and Carter.
- Script
- José Beá (credited); Bent Holtsmark (credited) (oversetter)
- Pencils
- José Beá (signed)
- Inks
- José Beá (signed)
- Letters
- typeset
- Genre
- science fiction (science fiction)
- Reprints
Originalt en "En un lugar de la mente" historie.