- Script
- Lee Falk
- Pencils
- Fred Fredericks
- Inks
- Fred Fredericks
- Letters
- ?
- Job Number
- [S124]
- Genre
- detective-mistério (detective-mystery)
- Characters
- Mandrake
- Reprints
- from Mandrake Sunday (King Features Syndicate) 1974.02.10 - 1974.03.30
Reprints the complete story S124, "Return to X" (21 strips).