- Script
- Roy Thomas (adaptation); Robert E. Howard (original story)
- Pencils
- Gil Kane
- Inks
- Tom Palmer
- Colors
- Tom Palmer ?
- Letters
- Sam Rosen (uncredited)
- Genre
- horror-suspense
- Characters
- Professor Conrad; Dan Kirowan; John Grimlan (flashback)(death)
- Synopsis
- When John Grimlan dies, two of his friends must undertake a strange series of tasks that reveal dark secrets about the life of the dead man.
- Reprints
Adapting the story by Robert E. Howard.