Issue: #39
"Tex Tre Stelle" nr. 39 released on May, 1967. "Tutto Tex" nr. 39 released on October, 1988. "Tex Nuova Ristampa" nr. 39 released on April, 1999.
Creators: Gian Luigi Bonelli, Galep (Aurelio Galleppini)
Characters: Mefisto, Tex Willer, Kit Willer