(December 1948)
- Script
- Bob Powell ?
- Pencils
- Bob Powell [as Powell] (signed)
- Inks
- Bob Powell [as Powell] (signed)
- Colors
- ?
- Letters
- ?
- Genre
- adventure
- Characters
- The Shadow; Margo Lane; Dr. Craig (villain; introduction)
- Reprints
- Script
- Bob Powell ?
- Pencils
- Bob Powell [as Powell] (signed)
- Inks
- Bob Powell [as Powell] (signed)
- Colors
- ?
- Letters
- ?
- Reprints
- Script
- Bob Powell ?
- Pencils
- Bob Powell [as Powell] (signed)
- Inks
- Bob Powell [as Powell] (signed)
- Colors
- ?
- Letters
- ?
- Genre
- adventure
- Characters
- Doc Savage; Monk Mayfair; the Robot Master (villain; introduction)
- Reprints
- Script
- Bob Powell ?
- Pencils
- Bob Powell [as Powell] (signed)
- Inks
- Bob Powell [as Powell] (signed)
- Colors
- ?
- Letters
- ?
- Script
- Bob Powell ?
- Pencils
- Bob Powell [as Powell] (signed)
- Inks
- Bob Powell [as Powell] (signed)
- Colors
- ?
- Letters
- ?
- Genre
- adventure
- Characters
- The Shadow; Margo Lane; Doc Sloane (villain; introduction)