Ambrose Bierce
Ambrose Bierce is credited as writer on 15 issues in grailworth's catalog, 6 issues of them across 5 series we value.
Every issue
Creepy (1964) 1 issue
Eerie (1965) 2 issues
Plop! (1973) 1 issue
Secrets of Sinister House (1972) 1 issue
The Spirit (1983) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.